19227880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1658

約数の個数: 64

約数和(自身を含む): 50624640

約数和(自身を除く): 31396760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1597, 1720, 2408, 3010, 3194, 6020, 6388, 7985, 11179, 12040, 12776, 15970, 22358, 31940, 44716, 55895, 63880, 68671, 89432, 111790, 137342, 223580, 274684, 343355, 447160, 480697, 549368, 686710, 961394, 1373420, 1922788, 2403485, 2746840, 3845576, 4806970, 9613940, 19227880]

約数ペア:

[(1, 19227880), (2, 9613940), (4, 4806970), (5, 3845576), (7, 2746840), (8, 2403485), (10, 1922788), (14, 1373420), (20, 961394), (28, 686710), (35, 549368), (40, 480697), (43, 447160), (56, 343355), (70, 274684), (86, 223580), (140, 137342), (172, 111790), (215, 89432), (280, 68671), (301, 63880), (344, 55895), (430, 44716), (602, 31940), (860, 22358), (1204, 15970), (1505, 12776), (1597, 12040), (1720, 11179), (2408, 7985), (3010, 6388), (3194, 6020)]