18194320

素因数分解:

$2^4\times 5^1\times {\mathrm{467}}^1\times {\mathrm{487}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 42479424

約数和(自身を除く): 24285104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 467, 487, 934, 974, 1868, 1948, 2335, 2435, 3736, 3896, 4670, 4870, 7472, 7792, 9340, 9740, 18680, 19480, 37360, 38960, 227429, 454858, 909716, 1137145, 1819432, 2274290, 3638864, 4548580, 9097160, 18194320]

約数ペア:

[(1, 18194320), (2, 9097160), (4, 4548580), (5, 3638864), (8, 2274290), (10, 1819432), (16, 1137145), (20, 909716), (40, 454858), (80, 227429), (467, 38960), (487, 37360), (934, 19480), (974, 18680), (1868, 9740), (1948, 9340), (2335, 7792), (2435, 7472), (3736, 4870), (3896, 4670)]