18071368

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1031}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 38885760

約数和(自身を除く): 20814392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1031, 1252, 2062, 2191, 2504, 4124, 4382, 7217, 8248, 8764, 14434, 17528, 28868, 57736, 322703, 645406, 1290812, 2258921, 2581624, 4517842, 9035684, 18071368]

約数ペア:

[(1, 18071368), (2, 9035684), (4, 4517842), (7, 2581624), (8, 2258921), (14, 1290812), (28, 645406), (56, 322703), (313, 57736), (626, 28868), (1031, 17528), (1252, 14434), (2062, 8764), (2191, 8248), (2504, 7217), (4124, 4382)]