1995890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1181}}^1$

素因数の和:1214

約数の個数: 24

約数和(自身を含む): 3893508

約数和(自身を除く): 1897618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1181, 1690, 2362, 5905, 11810, 15353, 30706, 76765, 153530, 199589, 399178, 997945, 1995890]

約数ペア:

[(1, 1995890), (2, 997945), (5, 399178), (10, 199589), (13, 153530), (26, 76765), (65, 30706), (130, 15353), (169, 11810), (338, 5905), (845, 2362), (1181, 1690)]