19931360

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2897}}^1$

素因数の和:2955

約数の個数: 48

約数和(自身を含む): 48199536

約数和(自身を除く): 28268176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2897, 3440, 5794, 6880, 11588, 14485, 23176, 28970, 46352, 57940, 92704, 115880, 124571, 231760, 249142, 463520, 498284, 622855, 996568, 1245710, 1993136, 2491420, 3986272, 4982840, 9965680, 19931360]

約数ペア:

[(1, 19931360), (2, 9965680), (4, 4982840), (5, 3986272), (8, 2491420), (10, 1993136), (16, 1245710), (20, 996568), (32, 622855), (40, 498284), (43, 463520), (80, 249142), (86, 231760), (160, 124571), (172, 115880), (215, 92704), (344, 57940), (430, 46352), (688, 28970), (860, 23176), (1376, 14485), (1720, 11588), (2897, 6880), (3440, 5794)]