18663218

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1213}}^1$

素因数の和:1386

約数の個数: 24

約数和(自身を含む): 32799852

約数和(自身を除く): 14136634

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 1213, 2198, 2426, 7693, 8491, 15386, 16982, 59437, 118874, 190441, 380882, 1333087, 2666174, 9331609, 18663218]

約数ペア:

[(1, 18663218), (2, 9331609), (7, 2666174), (14, 1333087), (49, 380882), (98, 190441), (157, 118874), (314, 59437), (1099, 16982), (1213, 15386), (2198, 8491), (2426, 7693)]