19869940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58441}}^1$

素因数の和:58467

約数の個数: 24

約数和(自身を含む): 44182152

約数和(自身を除く): 24312212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58441, 116882, 233764, 292205, 584410, 993497, 1168820, 1986994, 3973988, 4967485, 9934970, 19869940]

約数ペア:

[(1, 19869940), (2, 9934970), (4, 4967485), (5, 3973988), (10, 1986994), (17, 1168820), (20, 993497), (34, 584410), (68, 292205), (85, 233764), (170, 116882), (340, 58441)]