19891768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11251}}^1$

素因数の和:11287

約数の個数: 32

約数和(自身を含む): 42532560

約数和(自身を除く): 22640792

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11251, 22502, 45004, 90008, 146263, 191267, 292526, 382534, 585052, 765068, 1170104, 1530136, 2486471, 4972942, 9945884, 19891768]

約数ペア:

[(1, 19891768), (2, 9945884), (4, 4972942), (8, 2486471), (13, 1530136), (17, 1170104), (26, 765068), (34, 585052), (52, 382534), (68, 292526), (104, 191267), (136, 146263), (221, 90008), (442, 45004), (884, 22502), (1768, 11251)]