19802572

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 35297136

約数和(自身を除く): 15494564

約数列:

[1, 2, 4, 113, 193, 226, 227, 386, 452, 454, 772, 908, 21809, 25651, 43618, 43811, 51302, 87236, 87622, 102604, 175244, 4950643, 9901286, 19802572]

約数ペア:

[(1, 19802572), (2, 9901286), (4, 4950643), (113, 175244), (193, 102604), (226, 87622), (227, 87236), (386, 51302), (452, 43811), (454, 43618), (772, 25651), (908, 21809)]