18809110

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 35510400

約数和(自身を除く): 16701290

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 790, 821, 1642, 2291, 4105, 4582, 8210, 11455, 22910, 23809, 47618, 64859, 119045, 129718, 238090, 324295, 648590, 1880911, 3761822, 9404555, 18809110]

約数ペア:

[(1, 18809110), (2, 9404555), (5, 3761822), (10, 1880911), (29, 648590), (58, 324295), (79, 238090), (145, 129718), (158, 119045), (290, 64859), (395, 47618), (790, 23809), (821, 22910), (1642, 11455), (2291, 8210), (4105, 4582)]