17887910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 34382880

約数和(自身を除く): 16494970

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 757, 1390, 1514, 2363, 3785, 4726, 7570, 11815, 12869, 23630, 25738, 64345, 105223, 128690, 210446, 526115, 1052230, 1788791, 3577582, 8943955, 17887910]

約数ペア:

[(1, 17887910), (2, 8943955), (5, 3577582), (10, 1788791), (17, 1052230), (34, 526115), (85, 210446), (139, 128690), (170, 105223), (278, 64345), (695, 25738), (757, 23630), (1390, 12869), (1514, 11815), (2363, 7570), (3785, 4726)]