19290512

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70921}}^1$

素因数の和:70946

約数の個数: 20

約数和(自身を含む): 39574476

約数和(自身を除く): 20283964

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70921, 141842, 283684, 567368, 1134736, 1205657, 2411314, 4822628, 9645256, 19290512]

約数ペア:

[(1, 19290512), (2, 9645256), (4, 4822628), (8, 2411314), (16, 1205657), (17, 1134736), (34, 567368), (68, 283684), (136, 141842), (272, 70921)]