18771406

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:1047

約数の個数: 16

約数和(自身を含む): 28764288

約数和(自身を除く): 9992882

約数列:

[1, 2, 71, 142, 163, 326, 811, 1622, 11573, 23146, 57581, 115162, 132193, 264386, 9385703, 18771406]

約数ペア:

[(1, 18771406), (2, 9385703), (71, 264386), (142, 132193), (163, 115162), (326, 57581), (811, 23146), (1622, 11573)]