18526915

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 24744384

約数和(自身を除く): 6217469

約数列:

[1, 5, 11, 55, 113, 121, 271, 565, 605, 1243, 1355, 2981, 6215, 13673, 14905, 30623, 32791, 68365, 153115, 163955, 336853, 1684265, 3705383, 18526915]

約数ペア:

[(1, 18526915), (5, 3705383), (11, 1684265), (55, 336853), (113, 163955), (121, 153115), (271, 68365), (565, 32791), (605, 30623), (1243, 14905), (1355, 13673), (2981, 6215)]