19271260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12197}}^1$

素因数の和:12285

約数の個数: 24

約数和(自身を含む): 40985280

約数和(自身を除く): 21714020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12197, 24394, 48788, 60985, 121970, 243940, 963563, 1927126, 3854252, 4817815, 9635630, 19271260]

約数ペア:

[(1, 19271260), (2, 9635630), (4, 4817815), (5, 3854252), (10, 1927126), (20, 963563), (79, 243940), (158, 121970), (316, 60985), (395, 48788), (790, 24394), (1580, 12197)]