18138505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4283}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 27349056

約数和(自身を除く): 9210551

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 4283, 21415, 29981, 47113, 149905, 235565, 329791, 518243, 1648955, 2591215, 3627701, 18138505]

約数ペア:

[(1, 18138505), (5, 3627701), (7, 2591215), (11, 1648955), (35, 518243), (55, 329791), (77, 235565), (121, 149905), (385, 47113), (605, 29981), (847, 21415), (4235, 4283)]