28187830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13487}}^1$

素因数の和:13524

約数の個数: 32

約数和(自身を含む): 58268160

約数和(自身を除く): 30080330

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 13487, 26974, 67435, 134870, 148357, 256253, 296714, 512506, 741785, 1281265, 1483570, 2562530, 2818783, 5637566, 14093915, 28187830]

約数ペア:

[(1, 28187830), (2, 14093915), (5, 5637566), (10, 2818783), (11, 2562530), (19, 1483570), (22, 1281265), (38, 741785), (55, 512506), (95, 296714), (110, 256253), (190, 148357), (209, 134870), (418, 67435), (1045, 26974), (2090, 13487)]