19938224

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21121}}^1$

素因数の和:21188

約数の個数: 20

約数和(自身を含む): 39286920

約数和(自身を除く): 19348696

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21121, 42242, 84484, 168968, 337936, 1246139, 2492278, 4984556, 9969112, 19938224]

約数ペア:

[(1, 19938224), (2, 9969112), (4, 4984556), (8, 2492278), (16, 1246139), (59, 337936), (118, 168968), (236, 84484), (472, 42242), (944, 21121)]