19071880

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1201}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 43055640

約数和(自身を除く): 23983760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1201, 1588, 1985, 2402, 3176, 3970, 4804, 6005, 7940, 9608, 12010, 15880, 24020, 48040, 476797, 953594, 1907188, 2383985, 3814376, 4767970, 9535940, 19071880]

約数ペア:

[(1, 19071880), (2, 9535940), (4, 4767970), (5, 3814376), (8, 2383985), (10, 1907188), (20, 953594), (40, 476797), (397, 48040), (794, 24020), (1201, 15880), (1588, 12010), (1985, 9608), (2402, 7940), (3176, 6005), (3970, 4804)]