18947902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{2069}}^1$

素因数の和:2331

約数の個数: 16

約数和(自身を含む): 30056400

約数和(自身を除く): 11108498

約数列:

[1, 2, 19, 38, 241, 482, 2069, 4138, 4579, 9158, 39311, 78622, 498629, 997258, 9473951, 18947902]

約数ペア:

[(1, 18947902), (2, 9473951), (19, 997258), (38, 498629), (241, 78622), (482, 39311), (2069, 9158), (4138, 4579)]