18133280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10303}}^1$

素因数の和:10329

約数の個数: 48

約数和(自身を含む): 46738944

約数和(自身を除く): 28605664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10303, 20606, 41212, 51515, 82424, 103030, 113333, 164848, 206060, 226666, 329696, 412120, 453332, 566665, 824240, 906664, 1133330, 1648480, 1813328, 2266660, 3626656, 4533320, 9066640, 18133280]

約数ペア:

[(1, 18133280), (2, 9066640), (4, 4533320), (5, 3626656), (8, 2266660), (10, 1813328), (11, 1648480), (16, 1133330), (20, 906664), (22, 824240), (32, 566665), (40, 453332), (44, 412120), (55, 329696), (80, 226666), (88, 206060), (110, 164848), (160, 113333), (176, 103030), (220, 82424), (352, 51515), (440, 41212), (880, 20606), (1760, 10303)]