19402576

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71333}}^1$

素因数の和:71358

約数の個数: 20

約数和(自身を含む): 39804372

約数和(自身を除く): 20401796

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71333, 142666, 285332, 570664, 1141328, 1212661, 2425322, 4850644, 9701288, 19402576]

約数ペア:

[(1, 19402576), (2, 9701288), (4, 4850644), (8, 2425322), (16, 1212661), (17, 1141328), (34, 570664), (68, 285332), (136, 142666), (272, 71333)]