19802884

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{15817}}^1$

素因数の和:16134

約数の個数: 12

約数和(自身を含む): 34767964

約数和(自身を除く): 14965080

約数列:

[1, 2, 4, 313, 626, 1252, 15817, 31634, 63268, 4950721, 9901442, 19802884]

約数ペア:

[(1, 19802884), (2, 9901442), (4, 4950721), (313, 63268), (626, 31634), (1252, 15817)]