12918340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22273}}^1$

素因数の和:22311

約数の個数: 24

約数和(自身を含む): 28065240

約数和(自身を除く): 15146900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 22273, 44546, 89092, 111365, 222730, 445460, 645917, 1291834, 2583668, 3229585, 6459170, 12918340]

約数ペア:

[(1, 12918340), (2, 6459170), (4, 3229585), (5, 2583668), (10, 1291834), (20, 645917), (29, 445460), (58, 222730), (116, 111365), (145, 89092), (290, 44546), (580, 22273)]