19894096

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15739}}^1$

素因数の和:15826

約数の個数: 20

約数和(自身を含む): 39035200

約数和(自身を除く): 19141104

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15739, 31478, 62956, 125912, 251824, 1243381, 2486762, 4973524, 9947048, 19894096]

約数ペア:

[(1, 19894096), (2, 9947048), (4, 4973524), (8, 2486762), (16, 1243381), (79, 251824), (158, 125912), (316, 62956), (632, 31478), (1264, 15739)]