19637730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 61194744

約数和(自身を除く): 41557014

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 61, 63, 70, 73, 90, 98, 105, 122, 126, 146, 147, 183, 210, 219, 245, 294, 305, 315, 365, 366, 427, 438, 441, 490, 511, 549, 610, 630, 657, 730, 735, 854, 882, 915, 1022, 1095, 1098, 1281, 1314, 1470, 1533, 1830, 2135, 2190, 2205, 2555, 2562, 2745, 2989, 3066, 3285, 3577, 3843, 4270, 4410, 4453, 4599, 5110, 5490, 5978, 6405, 6570, 7154, 7665, 7686, 8906, 8967, 9198, 10731, 12810, 13359, 14945, 15330, 17885, 17934, 19215, 21462, 22265, 22995, 26718, 26901, 29890, 31171, 32193, 35770, 38430, 40077, 44530, 44835, 45990, 53655, 53802, 62342, 64386, 66795, 80154, 89670, 93513, 107310, 133590, 134505, 155855, 160965, 187026, 200385, 218197, 269010, 280539, 311710, 321930, 400770, 436394, 467565, 561078, 654591, 935130, 1090985, 1309182, 1402695, 1963773, 2181970, 2805390, 3272955, 3927546, 6545910, 9818865, 19637730]

約数ペア:

[(1, 19637730), (2, 9818865), (3, 6545910), (5, 3927546), (6, 3272955), (7, 2805390), (9, 2181970), (10, 1963773), (14, 1402695), (15, 1309182), (18, 1090985), (21, 935130), (30, 654591), (35, 561078), (42, 467565), (45, 436394), (49, 400770), (61, 321930), (63, 311710), (70, 280539), (73, 269010), (90, 218197), (98, 200385), (105, 187026), (122, 160965), (126, 155855), (146, 134505), (147, 133590), (183, 107310), (210, 93513), (219, 89670), (245, 80154), (294, 66795), (305, 64386), (315, 62342), (365, 53802), (366, 53655), (427, 45990), (438, 44835), (441, 44530), (490, 40077), (511, 38430), (549, 35770), (610, 32193), (630, 31171), (657, 29890), (730, 26901), (735, 26718), (854, 22995), (882, 22265), (915, 21462), (1022, 19215), (1095, 17934), (1098, 17885), (1281, 15330), (1314, 14945), (1470, 13359), (1533, 12810), (1830, 10731), (2135, 9198), (2190, 8967), (2205, 8906), (2555, 7686), (2562, 7665), (2745, 7154), (2989, 6570), (3066, 6405), (3285, 5978), (3577, 5490), (3843, 5110), (4270, 4599), (4410, 4453)]