18541438

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 28413360

約数和(自身を除く): 9871922

約数列:

[1, 2, 61, 122, 379, 401, 758, 802, 23119, 24461, 46238, 48922, 151979, 303958, 9270719, 18541438]

約数ペア:

[(1, 18541438), (2, 9270719), (61, 303958), (122, 151979), (379, 48922), (401, 46238), (758, 24461), (802, 23119)]