19102900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{661}}^1$

素因数の和:709

約数の個数: 54

約数和(自身を含む): 44101778

約数和(自身を除く): 24998878

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 661, 850, 1156, 1322, 1445, 1700, 2644, 2890, 3305, 5780, 6610, 7225, 11237, 13220, 14450, 16525, 22474, 28900, 33050, 44948, 56185, 66100, 112370, 191029, 224740, 280925, 382058, 561850, 764116, 955145, 1123700, 1910290, 3820580, 4775725, 9551450, 19102900]

約数ペア:

[(1, 19102900), (2, 9551450), (4, 4775725), (5, 3820580), (10, 1910290), (17, 1123700), (20, 955145), (25, 764116), (34, 561850), (50, 382058), (68, 280925), (85, 224740), (100, 191029), (170, 112370), (289, 66100), (340, 56185), (425, 44948), (578, 33050), (661, 28900), (850, 22474), (1156, 16525), (1322, 14450), (1445, 13220), (1700, 11237), (2644, 7225), (2890, 6610), (3305, 5780)]