18207910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37159}}^1$

素因数の和:37180

約数の個数: 24

約数和(自身を含む): 38126160

約数和(自身を除く): 19918250

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 37159, 74318, 185795, 260113, 371590, 520226, 1300565, 1820791, 2601130, 3641582, 9103955, 18207910]

約数ペア:

[(1, 18207910), (2, 9103955), (5, 3641582), (7, 2601130), (10, 1820791), (14, 1300565), (35, 520226), (49, 371590), (70, 260113), (98, 185795), (245, 74318), (490, 37159)]