18680766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1723}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 40548480

約数和(自身を除く): 21867714

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1723, 1807, 3446, 3614, 5169, 5421, 10338, 10842, 22399, 44798, 67197, 134394, 239497, 478994, 718491, 1436982, 3113461, 6226922, 9340383, 18680766]

約数ペア:

[(1, 18680766), (2, 9340383), (3, 6226922), (6, 3113461), (13, 1436982), (26, 718491), (39, 478994), (78, 239497), (139, 134394), (278, 67197), (417, 44798), (834, 22399), (1723, 10842), (1807, 10338), (3446, 5421), (3614, 5169)]