9938890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5881}}^1$

素因数の和:5914

約数の個数: 24

約数和(自身を含む): 19375308

約数和(自身を除く): 9436418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 5881, 11762, 29405, 58810, 76453, 152906, 382265, 764530, 993889, 1987778, 4969445, 9938890]

約数ペア:

[(1, 9938890), (2, 4969445), (5, 1987778), (10, 993889), (13, 764530), (26, 382265), (65, 152906), (130, 76453), (169, 58810), (338, 29405), (845, 11762), (1690, 5881)]