18908110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3931}}^1$

素因数の和:3988

約数の個数: 32

約数和(自身を含む): 37652832

約数和(自身を除く): 18744722

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 3931, 4810, 7862, 19655, 39310, 51103, 102206, 145447, 255515, 290894, 511030, 727235, 1454470, 1890811, 3781622, 9454055, 18908110]

約数ペア:

[(1, 18908110), (2, 9454055), (5, 3781622), (10, 1890811), (13, 1454470), (26, 727235), (37, 511030), (65, 290894), (74, 255515), (130, 145447), (185, 102206), (370, 51103), (481, 39310), (962, 19655), (2405, 7862), (3931, 4810)]