18461940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 41292300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 113, 140, 210, 226, 339, 389, 420, 452, 565, 678, 778, 791, 1130, 1167, 1356, 1556, 1582, 1695, 1945, 2260, 2334, 2373, 2723, 3164, 3390, 3890, 3955, 4668, 4746, 5446, 5835, 6780, 7780, 7910, 8169, 9492, 10892, 11670, 11865, 13615, 15820, 16338, 23340, 23730, 27230, 32676, 40845, 43957, 47460, 54460, 81690, 87914, 131871, 163380, 175828, 219785, 263742, 307699, 439570, 527484, 615398, 659355, 879140, 923097, 1230796, 1318710, 1538495, 1846194, 2637420, 3076990, 3692388, 4615485, 6153980, 9230970, 18461940]

約数ペア:

[(1, 18461940), (2, 9230970), (3, 6153980), (4, 4615485), (5, 3692388), (6, 3076990), (7, 2637420), (10, 1846194), (12, 1538495), (14, 1318710), (15, 1230796), (20, 923097), (21, 879140), (28, 659355), (30, 615398), (35, 527484), (42, 439570), (60, 307699), (70, 263742), (84, 219785), (105, 175828), (113, 163380), (140, 131871), (210, 87914), (226, 81690), (339, 54460), (389, 47460), (420, 43957), (452, 40845), (565, 32676), (678, 27230), (778, 23730), (791, 23340), (1130, 16338), (1167, 15820), (1356, 13615), (1556, 11865), (1582, 11670), (1695, 10892), (1945, 9492), (2260, 8169), (2334, 7910), (2373, 7780), (2723, 6780), (3164, 5835), (3390, 5446), (3890, 4746), (3955, 4668)]