18215902

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{787}}^1$

素因数の和:1023

約数の個数: 16

約数和(自身を含む): 27914112

約数和(自身を除く): 9698210

約数列:

[1, 2, 71, 142, 163, 326, 787, 1574, 11573, 23146, 55877, 111754, 128281, 256562, 9107951, 18215902]

約数ペア:

[(1, 18215902), (2, 9107951), (71, 256562), (142, 128281), (163, 111754), (326, 55877), (787, 23146), (1574, 11573)]