19910112

素因数分解:

$2^5\times 3^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 52636752

約数和(自身を除く): 32726640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 157, 314, 471, 628, 942, 1256, 1321, 1884, 2512, 2642, 3768, 3963, 5024, 5284, 7536, 7926, 10568, 15072, 15852, 21136, 31704, 42272, 63408, 126816, 207397, 414794, 622191, 829588, 1244382, 1659176, 2488764, 3318352, 4977528, 6636704, 9955056, 19910112]

約数ペア:

[(1, 19910112), (2, 9955056), (3, 6636704), (4, 4977528), (6, 3318352), (8, 2488764), (12, 1659176), (16, 1244382), (24, 829588), (32, 622191), (48, 414794), (96, 207397), (157, 126816), (314, 63408), (471, 42272), (628, 31704), (942, 21136), (1256, 15852), (1321, 15072), (1884, 10568), (2512, 7926), (2642, 7536), (3768, 5284), (3963, 5024)]