19653268

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{409}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 35438760

約数和(自身を除く): 15785492

約数列:

[1, 2, 4, 41, 82, 164, 293, 409, 586, 818, 1172, 1636, 12013, 16769, 24026, 33538, 48052, 67076, 119837, 239674, 479348, 4913317, 9826634, 19653268]

約数ペア:

[(1, 19653268), (2, 9826634), (4, 4913317), (41, 479348), (82, 239674), (164, 119837), (293, 67076), (409, 48052), (586, 33538), (818, 24026), (1172, 16769), (1636, 12013)]