18390606

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1721}}^1$

素因数の和:1876

約数の個数: 32

約数和(自身を含む): 39922848

約数和(自身を除く): 21532242

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1721, 1781, 3442, 3562, 5163, 5343, 10326, 10686, 22373, 44746, 67119, 134238, 235777, 471554, 707331, 1414662, 3065101, 6130202, 9195303, 18390606]

約数ペア:

[(1, 18390606), (2, 9195303), (3, 6130202), (6, 3065101), (13, 1414662), (26, 707331), (39, 471554), (78, 235777), (137, 134238), (274, 67119), (411, 44746), (822, 22373), (1721, 10686), (1781, 10326), (3442, 5343), (3562, 5163)]