18986536

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{33427}}^1$

素因数の和:33504

約数の個数: 16

約数和(自身を含む): 36102240

約数和(自身を除く): 17115704

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 33427, 66854, 133708, 267416, 2373317, 4746634, 9493268, 18986536]

約数ペア:

[(1, 18986536), (2, 9493268), (4, 4746634), (8, 2373317), (71, 267416), (142, 133708), (284, 66854), (568, 33427)]