18987130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1667}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 36749376

約数和(自身を除く): 17762246

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 1667, 2278, 3334, 5695, 8335, 11390, 16670, 28339, 56678, 111689, 141695, 223378, 283390, 558445, 1116890, 1898713, 3797426, 9493565, 18987130]

約数ペア:

[(1, 18987130), (2, 9493565), (5, 3797426), (10, 1898713), (17, 1116890), (34, 558445), (67, 283390), (85, 223378), (134, 141695), (170, 111689), (335, 56678), (670, 28339), (1139, 16670), (1667, 11390), (2278, 8335), (3334, 5695)]