18272463

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 27709440

約数和(自身を除く): 9436977

約数列:

[1, 3, 11, 33, 43, 79, 129, 163, 237, 473, 489, 869, 1419, 1793, 2607, 3397, 5379, 7009, 10191, 12877, 21027, 37367, 38631, 77099, 112101, 141647, 231297, 424941, 553711, 1661133, 6090821, 18272463]

約数ペア:

[(1, 18272463), (3, 6090821), (11, 1661133), (33, 553711), (43, 424941), (79, 231297), (129, 141647), (163, 112101), (237, 77099), (473, 38631), (489, 37367), (869, 21027), (1419, 12877), (1793, 10191), (2607, 7009), (3397, 5379)]