18609520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6287}}^1$

素因数の和:6337

約数の個数: 40

約数和(自身を含む): 44443584

約数和(自身を除く): 25834064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6287, 12574, 25148, 31435, 50296, 62870, 100592, 125740, 232619, 251480, 465238, 502960, 930476, 1163095, 1860952, 2326190, 3721904, 4652380, 9304760, 18609520]

約数ペア:

[(1, 18609520), (2, 9304760), (4, 4652380), (5, 3721904), (8, 2326190), (10, 1860952), (16, 1163095), (20, 930476), (37, 502960), (40, 465238), (74, 251480), (80, 232619), (148, 125740), (185, 100592), (296, 62870), (370, 50296), (592, 31435), (740, 25148), (1480, 12574), (2960, 6287)]