19931080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38329}}^1$

素因数の和:38353

約数の個数: 32

約数和(自身を含む): 48295800

約数和(自身を除く): 28364720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38329, 76658, 153316, 191645, 306632, 383290, 498277, 766580, 996554, 1533160, 1993108, 2491385, 3986216, 4982770, 9965540, 19931080]

約数ペア:

[(1, 19931080), (2, 9965540), (4, 4982770), (5, 3986216), (8, 2491385), (10, 1993108), (13, 1533160), (20, 996554), (26, 766580), (40, 498277), (52, 383290), (65, 306632), (104, 191645), (130, 153316), (260, 76658), (520, 38329)]