19883640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23671}}^1$

素因数の和:23692

約数の個数: 64

約数和(自身を含む): 68175360

約数和(自身を除く): 48291720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23671, 47342, 71013, 94684, 118355, 142026, 165697, 189368, 236710, 284052, 331394, 355065, 473420, 497091, 568104, 662788, 710130, 828485, 946840, 994182, 1325576, 1420260, 1656970, 1988364, 2485455, 2840520, 3313940, 3976728, 4970910, 6627880, 9941820, 19883640]

約数ペア:

[(1, 19883640), (2, 9941820), (3, 6627880), (4, 4970910), (5, 3976728), (6, 3313940), (7, 2840520), (8, 2485455), (10, 1988364), (12, 1656970), (14, 1420260), (15, 1325576), (20, 994182), (21, 946840), (24, 828485), (28, 710130), (30, 662788), (35, 568104), (40, 497091), (42, 473420), (56, 355065), (60, 331394), (70, 284052), (84, 236710), (105, 189368), (120, 165697), (140, 142026), (168, 118355), (210, 94684), (280, 71013), (420, 47342), (840, 23671)]