18372739

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 5957501

約数列:

[1, 7, 11, 31, 43, 77, 179, 217, 301, 341, 473, 1253, 1333, 1969, 2387, 3311, 5549, 7697, 9331, 13783, 14663, 38843, 53879, 61039, 84667, 102641, 238607, 427273, 592669, 1670249, 2624677, 18372739]

約数ペア:

[(1, 18372739), (7, 2624677), (11, 1670249), (31, 592669), (43, 427273), (77, 238607), (179, 102641), (217, 84667), (301, 61039), (341, 53879), (473, 38843), (1253, 14663), (1333, 13783), (1969, 9331), (2387, 7697), (3311, 5549)]