18129992

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 35121600

約数和(自身を除く): 16991608

約数列:

[1, 2, 4, 8, 59, 71, 118, 142, 236, 284, 472, 541, 568, 1082, 2164, 4189, 4328, 8378, 16756, 31919, 33512, 38411, 63838, 76822, 127676, 153644, 255352, 307288, 2266249, 4532498, 9064996, 18129992]

約数ペア:

[(1, 18129992), (2, 9064996), (4, 4532498), (8, 2266249), (59, 307288), (71, 255352), (118, 153644), (142, 127676), (236, 76822), (284, 63838), (472, 38411), (541, 33512), (568, 31919), (1082, 16756), (2164, 8378), (4189, 4328)]