18619316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{599}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 34440000

約数和(自身を除く): 15820684

約数列:

[1, 2, 4, 19, 38, 76, 409, 599, 818, 1198, 1636, 2396, 7771, 11381, 15542, 22762, 31084, 45524, 244991, 489982, 979964, 4654829, 9309658, 18619316]

約数ペア:

[(1, 18619316), (2, 9309658), (4, 4654829), (19, 979964), (38, 489982), (76, 244991), (409, 45524), (599, 31084), (818, 22762), (1198, 15542), (1636, 11381), (2396, 7771)]