19530420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 192

約数和(自身を含む): 69619200

約数和(自身を除く): 50088780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 73, 78, 84, 91, 98, 105, 130, 140, 146, 147, 156, 182, 195, 196, 210, 219, 245, 260, 273, 292, 294, 343, 364, 365, 390, 420, 438, 455, 490, 511, 546, 588, 637, 686, 730, 735, 780, 876, 910, 949, 980, 1022, 1029, 1092, 1095, 1274, 1365, 1372, 1460, 1470, 1533, 1715, 1820, 1898, 1911, 2044, 2058, 2190, 2548, 2555, 2730, 2847, 2940, 3066, 3185, 3430, 3577, 3796, 3822, 4116, 4380, 4459, 4745, 5110, 5145, 5460, 5694, 6132, 6370, 6643, 6860, 7154, 7644, 7665, 8918, 9490, 9555, 10220, 10290, 10731, 11388, 12740, 13286, 13377, 14235, 14308, 15330, 17836, 17885, 18980, 19110, 19929, 20580, 21462, 22295, 25039, 26572, 26754, 28470, 30660, 33215, 35770, 38220, 39858, 42924, 44590, 46501, 50078, 53508, 53655, 56940, 66430, 66885, 71540, 75117, 79716, 89180, 93002, 99645, 100156, 107310, 125195, 132860, 133770, 139503, 150234, 186004, 199290, 214620, 232505, 250390, 267540, 279006, 300468, 325507, 375585, 398580, 465010, 500780, 558012, 651014, 697515, 751170, 930020, 976521, 1302028, 1395030, 1502340, 1627535, 1953042, 2790060, 3255070, 3906084, 4882605, 6510140, 9765210, 19530420]

約数ペア:

[(1, 19530420), (2, 9765210), (3, 6510140), (4, 4882605), (5, 3906084), (6, 3255070), (7, 2790060), (10, 1953042), (12, 1627535), (13, 1502340), (14, 1395030), (15, 1302028), (20, 976521), (21, 930020), (26, 751170), (28, 697515), (30, 651014), (35, 558012), (39, 500780), (42, 465010), (49, 398580), (52, 375585), (60, 325507), (65, 300468), (70, 279006), (73, 267540), (78, 250390), (84, 232505), (91, 214620), (98, 199290), (105, 186004), (130, 150234), (140, 139503), (146, 133770), (147, 132860), (156, 125195), (182, 107310), (195, 100156), (196, 99645), (210, 93002), (219, 89180), (245, 79716), (260, 75117), (273, 71540), (292, 66885), (294, 66430), (343, 56940), (364, 53655), (365, 53508), (390, 50078), (420, 46501), (438, 44590), (455, 42924), (490, 39858), (511, 38220), (546, 35770), (588, 33215), (637, 30660), (686, 28470), (730, 26754), (735, 26572), (780, 25039), (876, 22295), (910, 21462), (949, 20580), (980, 19929), (1022, 19110), (1029, 18980), (1092, 17885), (1095, 17836), (1274, 15330), (1365, 14308), (1372, 14235), (1460, 13377), (1470, 13286), (1533, 12740), (1715, 11388), (1820, 10731), (1898, 10290), (1911, 10220), (2044, 9555), (2058, 9490), (2190, 8918), (2548, 7665), (2555, 7644), (2730, 7154), (2847, 6860), (2940, 6643), (3066, 6370), (3185, 6132), (3430, 5694), (3577, 5460), (3796, 5145), (3822, 5110), (4116, 4745), (4380, 4459)]