12219580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19709}}^1$

素因数の和:19749

約数の個数: 24

約数和(自身を含む): 26490240

約数和(自身を除く): 14270660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19709, 39418, 78836, 98545, 197090, 394180, 610979, 1221958, 2443916, 3054895, 6109790, 12219580]

約数ペア:

[(1, 12219580), (2, 6109790), (4, 3054895), (5, 2443916), (10, 1221958), (20, 610979), (31, 394180), (62, 197090), (124, 98545), (155, 78836), (310, 39418), (620, 19709)]