11728540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18917}}^1$

素因数の和:18957

約数の個数: 24

約数和(自身を含む): 25425792

約数和(自身を除く): 13697252

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 18917, 37834, 75668, 94585, 189170, 378340, 586427, 1172854, 2345708, 2932135, 5864270, 11728540]

約数ペア:

[(1, 11728540), (2, 5864270), (4, 2932135), (5, 2345708), (10, 1172854), (20, 586427), (31, 378340), (62, 189170), (124, 94585), (155, 75668), (310, 37834), (620, 18917)]