18374785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 26772480

約数和(自身を除く): 8397695

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 829, 1705, 2015, 4145, 4433, 9119, 10777, 22165, 25699, 45595, 53885, 118547, 128495, 282689, 334087, 592735, 1413445, 1670435, 3674957, 18374785]

約数ペア:

[(1, 18374785), (5, 3674957), (11, 1670435), (13, 1413445), (31, 592735), (55, 334087), (65, 282689), (143, 128495), (155, 118547), (341, 53885), (403, 45595), (715, 25699), (829, 22165), (1705, 10777), (2015, 9119), (4145, 4433)]