18711922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10477}}^1$

素因数の和:10545

約数の個数: 16

約数和(自身を含む): 30176640

約数和(自身を除く): 11464718

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 10477, 20954, 199063, 398126, 492419, 984838, 9355961, 18711922]

約数ペア:

[(1, 18711922), (2, 9355961), (19, 984838), (38, 492419), (47, 398126), (94, 199063), (893, 20954), (1786, 10477)]