18506345

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 26578188

約数和(自身を除く): 8071843

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 169, 181, 605, 715, 845, 905, 1573, 1859, 1991, 2353, 7865, 9295, 9955, 11765, 20449, 21901, 25883, 30589, 102245, 109505, 129415, 152945, 284713, 336479, 1423565, 1682395, 3701269, 18506345]

約数ペア:

[(1, 18506345), (5, 3701269), (11, 1682395), (13, 1423565), (55, 336479), (65, 284713), (121, 152945), (143, 129415), (169, 109505), (181, 102245), (605, 30589), (715, 25883), (845, 21901), (905, 20449), (1573, 11765), (1859, 9955), (1991, 9295), (2353, 7865)]