18494515

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 24639120

約数和(自身を除く): 6144605

約数列:

[1, 5, 13, 43, 65, 169, 215, 509, 559, 845, 2545, 2795, 6617, 7267, 21887, 33085, 36335, 86021, 109435, 284531, 430105, 1422655, 3698903, 18494515]

約数ペア:

[(1, 18494515), (5, 3698903), (13, 1422655), (43, 430105), (65, 284531), (169, 109435), (215, 86021), (509, 36335), (559, 33085), (845, 21887), (2545, 7267), (2795, 6617)]