18741268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51487}}^1$

素因数の和:51511

約数の個数: 24

約数和(自身を含む): 40366592

約数和(自身を除く): 21625324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 51487, 102974, 205948, 360409, 669331, 720818, 1338662, 1441636, 2677324, 4685317, 9370634, 18741268]

約数ペア:

[(1, 18741268), (2, 9370634), (4, 4685317), (7, 2677324), (13, 1441636), (14, 1338662), (26, 720818), (28, 669331), (52, 360409), (91, 205948), (182, 102974), (364, 51487)]