19126040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12923}}^1$

素因数の和:12971

約数の個数: 32

約数和(自身を含む): 44200080

約数和(自身を除く): 25074040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12923, 25846, 51692, 64615, 103384, 129230, 258460, 478151, 516920, 956302, 1912604, 2390755, 3825208, 4781510, 9563020, 19126040]

約数ペア:

[(1, 19126040), (2, 9563020), (4, 4781510), (5, 3825208), (8, 2390755), (10, 1912604), (20, 956302), (37, 516920), (40, 478151), (74, 258460), (148, 129230), (185, 103384), (296, 64615), (370, 51692), (740, 25846), (1480, 12923)]