18555278

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 33061824

約数和(自身を除く): 14506546

約数列:

[1, 2, 7, 14, 37, 74, 113, 226, 259, 317, 518, 634, 791, 1582, 2219, 4181, 4438, 8362, 11729, 23458, 29267, 35821, 58534, 71642, 82103, 164206, 250747, 501494, 1325377, 2650754, 9277639, 18555278]

約数ペア:

[(1, 18555278), (2, 9277639), (7, 2650754), (14, 1325377), (37, 501494), (74, 250747), (113, 164206), (226, 82103), (259, 71642), (317, 58534), (518, 35821), (634, 29267), (791, 23458), (1582, 11729), (2219, 8362), (4181, 4438)]