19715830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3727}}^1$

素因数の和:3780

約数の個数: 24

約数和(自身を含む): 37108512

約数和(自身を除く): 17392682

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3727, 5290, 7454, 18635, 37270, 85721, 171442, 428605, 857210, 1971583, 3943166, 9857915, 19715830]

約数ペア:

[(1, 19715830), (2, 9857915), (5, 3943166), (10, 1971583), (23, 857210), (46, 428605), (115, 171442), (230, 85721), (529, 37270), (1058, 18635), (2645, 7454), (3727, 5290)]