18320199278

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{25321}}^1$

素因数の和:25592

約数の個数: 32

約数和(自身を含む): 28879234560

約数和(自身を除く): 10559035282

約数列:

[1, 2, 43, 47, 86, 94, 179, 358, 2021, 4042, 7697, 8413, 15394, 16826, 25321, 50642, 361759, 723518, 1088803, 1190087, 2177606, 2380174, 4532459, 9064918, 51173741, 102347482, 194895737, 213025573, 389791474, 426051146, 9160099639, 18320199278]

約数ペア:

[(1, 18320199278), (2, 9160099639), (43, 426051146), (47, 389791474), (86, 213025573), (94, 194895737), (179, 102347482), (358, 51173741), (2021, 9064918), (4042, 4532459), (7697, 2380174), (8413, 2177606), (15394, 1190087), (16826, 1088803), (25321, 723518), (50642, 361759)]