18681494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{11779}}^1$

素因数の和:11855

約数の個数: 16

約数和(自身を含む): 30675120

約数和(自身を除く): 11993626

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 11779, 23558, 153127, 306254, 718519, 1437038, 9340747, 18681494]

約数ペア:

[(1, 18681494), (2, 9340747), (13, 1437038), (26, 718519), (61, 306254), (122, 153127), (793, 23558), (1586, 11779)]