19492060208

素因数分解:

$2^4\times {\mathrm{1637}}^1\times {\mathrm{744199}}^1$

素因数の和:745844

約数の個数: 20

約数和(自身を含む): 37788987600

約数和(自身を除く): 18296927392

約数列:

[1, 2, 4, 8, 16, 1637, 3274, 6548, 13096, 26192, 744199, 1488398, 2976796, 5953592, 11907184, 1218253763, 2436507526, 4873015052, 9746030104, 19492060208]

約数ペア:

[(1, 19492060208), (2, 9746030104), (4, 4873015052), (8, 2436507526), (16, 1218253763), (1637, 11907184), (3274, 5953592), (6548, 2976796), (13096, 1488398), (26192, 744199)]