18857974

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:731

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 9882122

約数列:

[1, 2, 131, 167, 262, 334, 431, 862, 21877, 43754, 56461, 71977, 112922, 143954, 9428987, 18857974]

約数ペア:

[(1, 18857974), (2, 9428987), (131, 143954), (167, 112922), (262, 71977), (334, 56461), (431, 43754), (862, 21877)]