19810708

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1069}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 35862120

約数和(自身を除く): 16051412

約数列:

[1, 2, 4, 41, 82, 113, 164, 226, 452, 1069, 2138, 4276, 4633, 9266, 18532, 43829, 87658, 120797, 175316, 241594, 483188, 4952677, 9905354, 19810708]

約数ペア:

[(1, 19810708), (2, 9905354), (4, 4952677), (41, 483188), (82, 241594), (113, 175316), (164, 120797), (226, 87658), (452, 43829), (1069, 18532), (2138, 9266), (4276, 4633)]