19503896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2351}}^1$

素因数の和:2435

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 19868584

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 2074, 2351, 4148, 4702, 8296, 9404, 18808, 39967, 79934, 143411, 159868, 286822, 319736, 573644, 1147288, 2437987, 4875974, 9751948, 19503896]

約数ペア:

[(1, 19503896), (2, 9751948), (4, 4875974), (8, 2437987), (17, 1147288), (34, 573644), (61, 319736), (68, 286822), (122, 159868), (136, 143411), (244, 79934), (488, 39967), (1037, 18808), (2074, 9404), (2351, 8296), (4148, 4702)]