18420176

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17183}}^1$

素因数の和:17258

約数の個数: 20

約数和(自身を含む): 36223872

約数和(自身を除く): 17803696

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17183, 34366, 68732, 137464, 274928, 1151261, 2302522, 4605044, 9210088, 18420176]

約数ペア:

[(1, 18420176), (2, 9210088), (4, 4605044), (8, 2302522), (16, 1151261), (67, 274928), (134, 137464), (268, 68732), (536, 34366), (1072, 17183)]