19693616

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4259}}^1$

素因数の和:4301

約数の個数: 30

約数和(自身を含む): 40542420

約数和(自身を除く): 20848804

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4259, 4624, 8518, 17036, 34072, 68144, 72403, 144806, 289612, 579224, 1158448, 1230851, 2461702, 4923404, 9846808, 19693616]

約数ペア:

[(1, 19693616), (2, 9846808), (4, 4923404), (8, 2461702), (16, 1230851), (17, 1158448), (34, 579224), (68, 289612), (136, 144806), (272, 72403), (289, 68144), (578, 34072), (1156, 17036), (2312, 8518), (4259, 4624)]