18431312

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{13879}}^1$

素因数の和:13970

約数の個数: 20

約数和(自身を含む): 36143520

約数和(自身を除く): 17712208

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 13879, 27758, 55516, 111032, 222064, 1151957, 2303914, 4607828, 9215656, 18431312]

約数ペア:

[(1, 18431312), (2, 9215656), (4, 4607828), (8, 2303914), (16, 1151957), (83, 222064), (166, 111032), (332, 55516), (664, 27758), (1328, 13879)]