18770540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32363}}^1$

素因数の和:32401

約数の個数: 24

約数和(自身を含む): 40778640

約数和(自身を除く): 22008100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32363, 64726, 129452, 161815, 323630, 647260, 938527, 1877054, 3754108, 4692635, 9385270, 18770540]

約数ペア:

[(1, 18770540), (2, 9385270), (4, 4692635), (5, 3754108), (10, 1877054), (20, 938527), (29, 647260), (58, 323630), (116, 161815), (145, 129452), (290, 64726), (580, 32363)]