18664888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1877}}^1$

素因数の和:2007

約数の個数: 32

約数和(自身を含む): 38536560

約数和(自身を除く): 19871672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 1877, 2486, 3754, 4972, 7508, 9944, 15016, 20647, 41294, 82588, 165176, 212101, 424202, 848404, 1696808, 2333111, 4666222, 9332444, 18664888]

約数ペア:

[(1, 18664888), (2, 9332444), (4, 4666222), (8, 2333111), (11, 1696808), (22, 848404), (44, 424202), (88, 212101), (113, 165176), (226, 82588), (452, 41294), (904, 20647), (1243, 15016), (1877, 9944), (2486, 7508), (3754, 4972)]