19608664

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 37620000

約数和(自身を除く): 18011336

約数列:

[1, 2, 4, 8, 109, 113, 199, 218, 226, 398, 436, 452, 796, 872, 904, 1592, 12317, 21691, 22487, 24634, 43382, 44974, 49268, 86764, 89948, 98536, 173528, 179896, 2451083, 4902166, 9804332, 19608664]

約数ペア:

[(1, 19608664), (2, 9804332), (4, 4902166), (8, 2451083), (109, 179896), (113, 173528), (199, 98536), (218, 89948), (226, 86764), (398, 49268), (436, 44974), (452, 43382), (796, 24634), (872, 22487), (904, 21691), (1592, 12317)]