18918864

素因数分解:

$2^4\times 3^2\times {\mathrm{131381}}^1$

素因数の和:131395

約数の個数: 30

約数和(自身を含む): 52946946

約数和(自身を除く): 34028082

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 131381, 262762, 394143, 525524, 788286, 1051048, 1182429, 1576572, 2102096, 2364858, 3153144, 4729716, 6306288, 9459432, 18918864]

約数ペア:

[(1, 18918864), (2, 9459432), (3, 6306288), (4, 4729716), (6, 3153144), (8, 2364858), (9, 2102096), (12, 1576572), (16, 1182429), (18, 1051048), (24, 788286), (36, 525524), (48, 394143), (72, 262762), (144, 131381)]