19520710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4127}}^1$

素因数の和:4188

約数の個数: 32

約数和(自身を含む): 39232512

約数和(自身を除く): 19711802

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4127, 4730, 8254, 20635, 41270, 45397, 90794, 177461, 226985, 354922, 453970, 887305, 1774610, 1952071, 3904142, 9760355, 19520710]

約数ペア:

[(1, 19520710), (2, 9760355), (5, 3904142), (10, 1952071), (11, 1774610), (22, 887305), (43, 453970), (55, 354922), (86, 226985), (110, 177461), (215, 90794), (430, 45397), (473, 41270), (946, 20635), (2365, 8254), (4127, 4730)]