19493296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39301}}^1$

素因数の和:39340

約数の個数: 20

約数和(自身を含む): 38987584

約数和(自身を除く): 19494288

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39301, 78602, 157204, 314408, 628816, 1218331, 2436662, 4873324, 9746648, 19493296]

約数ペア:

[(1, 19493296), (2, 9746648), (4, 4873324), (8, 2436662), (16, 1218331), (31, 628816), (62, 314408), (124, 157204), (248, 78602), (496, 39301)]