17919620

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4691}}^1$

素因数の和:4891

約数の個数: 24

約数和(自身を含む): 37836288

約数和(自身を除く): 19916668

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 4691, 9382, 18764, 23455, 46910, 93820, 895981, 1791962, 3583924, 4479905, 8959810, 17919620]

約数ペア:

[(1, 17919620), (2, 8959810), (4, 4479905), (5, 3583924), (10, 1791962), (20, 895981), (191, 93820), (382, 46910), (764, 23455), (955, 18764), (1910, 9382), (3820, 4691)]