19039860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:124

約数の個数: 240

約数和(自身を含む): 72205056

約数和(自身を除く): 53165196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 73, 81, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 146, 161, 162, 180, 189, 207, 210, 219, 230, 252, 270, 276, 292, 315, 322, 324, 345, 365, 378, 405, 414, 420, 438, 460, 483, 511, 540, 567, 621, 630, 644, 657, 690, 730, 756, 805, 810, 828, 876, 945, 966, 1022, 1035, 1095, 1134, 1242, 1260, 1314, 1380, 1449, 1460, 1533, 1610, 1620, 1679, 1863, 1890, 1932, 1971, 2044, 2070, 2190, 2268, 2415, 2484, 2555, 2628, 2835, 2898, 3066, 3105, 3220, 3285, 3358, 3726, 3780, 3942, 4140, 4347, 4380, 4599, 4830, 5037, 5110, 5670, 5796, 5913, 6132, 6210, 6570, 6716, 7245, 7452, 7665, 7884, 8395, 8694, 9198, 9315, 9660, 9855, 10074, 10220, 11340, 11753, 11826, 12420, 13041, 13140, 13797, 14490, 15111, 15330, 16790, 17388, 18396, 18630, 19710, 20148, 21735, 22995, 23506, 23652, 25185, 26082, 27594, 28980, 29565, 30222, 30660, 33580, 35259, 37260, 39420, 41391, 43470, 45333, 45990, 47012, 50370, 52164, 55188, 58765, 59130, 60444, 65205, 68985, 70518, 75555, 82782, 86940, 90666, 91980, 100740, 105777, 117530, 118260, 130410, 135999, 137970, 141036, 151110, 165564, 176295, 181332, 206955, 211554, 226665, 235060, 260820, 271998, 275940, 302220, 317331, 352590, 413910, 423108, 453330, 528885, 543996, 634662, 679995, 705180, 827820, 906660, 951993, 1057770, 1269324, 1359990, 1586655, 1903986, 2115540, 2719980, 3173310, 3807972, 4759965, 6346620, 9519930, 19039860]

約数ペア:

[(1, 19039860), (2, 9519930), (3, 6346620), (4, 4759965), (5, 3807972), (6, 3173310), (7, 2719980), (9, 2115540), (10, 1903986), (12, 1586655), (14, 1359990), (15, 1269324), (18, 1057770), (20, 951993), (21, 906660), (23, 827820), (27, 705180), (28, 679995), (30, 634662), (35, 543996), (36, 528885), (42, 453330), (45, 423108), (46, 413910), (54, 352590), (60, 317331), (63, 302220), (69, 275940), (70, 271998), (73, 260820), (81, 235060), (84, 226665), (90, 211554), (92, 206955), (105, 181332), (108, 176295), (115, 165564), (126, 151110), (135, 141036), (138, 137970), (140, 135999), (146, 130410), (161, 118260), (162, 117530), (180, 105777), (189, 100740), (207, 91980), (210, 90666), (219, 86940), (230, 82782), (252, 75555), (270, 70518), (276, 68985), (292, 65205), (315, 60444), (322, 59130), (324, 58765), (345, 55188), (365, 52164), (378, 50370), (405, 47012), (414, 45990), (420, 45333), (438, 43470), (460, 41391), (483, 39420), (511, 37260), (540, 35259), (567, 33580), (621, 30660), (630, 30222), (644, 29565), (657, 28980), (690, 27594), (730, 26082), (756, 25185), (805, 23652), (810, 23506), (828, 22995), (876, 21735), (945, 20148), (966, 19710), (1022, 18630), (1035, 18396), (1095, 17388), (1134, 16790), (1242, 15330), (1260, 15111), (1314, 14490), (1380, 13797), (1449, 13140), (1460, 13041), (1533, 12420), (1610, 11826), (1620, 11753), (1679, 11340), (1863, 10220), (1890, 10074), (1932, 9855), (1971, 9660), (2044, 9315), (2070, 9198), (2190, 8694), (2268, 8395), (2415, 7884), (2484, 7665), (2555, 7452), (2628, 7245), (2835, 6716), (2898, 6570), (3066, 6210), (3105, 6132), (3220, 5913), (3285, 5796), (3358, 5670), (3726, 5110), (3780, 5037), (3942, 4830), (4140, 4599), (4347, 4380)]