19219020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{320317}}^1$

素因数の和:320329

約数の個数: 24

約数和(自身を含む): 53813424

約数和(自身を除く): 34594404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 320317, 640634, 960951, 1281268, 1601585, 1921902, 3203170, 3843804, 4804755, 6406340, 9609510, 19219020]

約数ペア:

[(1, 19219020), (2, 9609510), (3, 6406340), (4, 4804755), (5, 3843804), (6, 3203170), (10, 1921902), (12, 1601585), (15, 1281268), (20, 960951), (30, 640634), (60, 320317)]