18088231990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2321981}}^1$

素因数の和:2322048

約数の個数: 32

約数和(自身を含む): 35108367840

約数和(自身を除く): 17020135850

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 2321981, 4643962, 11609905, 23219810, 44117639, 88235278, 95201221, 190402442, 220588195, 441176390, 476006105, 952012210, 1808823199, 3617646398, 9044115995, 18088231990]

約数ペア:

[(1, 18088231990), (2, 9044115995), (5, 3617646398), (10, 1808823199), (19, 952012210), (38, 476006105), (41, 441176390), (82, 220588195), (95, 190402442), (190, 95201221), (205, 88235278), (410, 44117639), (779, 23219810), (1558, 11609905), (3895, 4643962), (7790, 2321981)]