18552680

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1033}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 41877000

約数和(自身を除く): 23324320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1033, 1796, 2066, 2245, 3592, 4132, 4490, 5165, 8264, 8980, 10330, 17960, 20660, 41320, 463817, 927634, 1855268, 2319085, 3710536, 4638170, 9276340, 18552680]

約数ペア:

[(1, 18552680), (2, 9276340), (4, 4638170), (5, 3710536), (8, 2319085), (10, 1855268), (20, 927634), (40, 463817), (449, 41320), (898, 20660), (1033, 17960), (1796, 10330), (2066, 8980), (2245, 8264), (3592, 5165), (4132, 4490)]