18232840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26813}}^1$

素因数の和:26841

約数の個数: 32

約数和(自身を含む): 43438680

約数和(自身を除く): 25205840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26813, 53626, 107252, 134065, 214504, 268130, 455821, 536260, 911642, 1072520, 1823284, 2279105, 3646568, 4558210, 9116420, 18232840]

約数ペア:

[(1, 18232840), (2, 9116420), (4, 4558210), (5, 3646568), (8, 2279105), (10, 1823284), (17, 1072520), (20, 911642), (34, 536260), (40, 455821), (68, 268130), (85, 214504), (136, 134065), (170, 107252), (340, 53626), (680, 26813)]