18780372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40129}}^1$

素因数の和:40152

約数の個数: 36

約数和(自身を含む): 51125620

約数和(自身を除く): 32345248

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40129, 80258, 120387, 160516, 240774, 361161, 481548, 521677, 722322, 1043354, 1444644, 1565031, 2086708, 3130062, 4695093, 6260124, 9390186, 18780372]

約数ペア:

[(1, 18780372), (2, 9390186), (3, 6260124), (4, 4695093), (6, 3130062), (9, 2086708), (12, 1565031), (13, 1444644), (18, 1043354), (26, 722322), (36, 521677), (39, 481548), (52, 361161), (78, 240774), (117, 160516), (156, 120387), (234, 80258), (468, 40129)]