17981128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{204331}}^1$

素因数の和:204348

約数の個数: 16

約数和(自身を含む): 36779760

約数和(自身を除く): 18798632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 204331, 408662, 817324, 1634648, 2247641, 4495282, 8990564, 17981128]

約数ペア:

[(1, 17981128), (2, 8990564), (4, 4495282), (8, 2247641), (11, 1634648), (22, 817324), (44, 408662), (88, 204331)]