18320556

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{21503}}^1$

素因数の和:21581

約数の個数: 24

約数和(自身を含む): 43352064

約数和(自身を除く): 25031508

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 21503, 43006, 64509, 86012, 129018, 258036, 1526713, 3053426, 4580139, 6106852, 9160278, 18320556]

約数ペア:

[(1, 18320556), (2, 9160278), (3, 6106852), (4, 4580139), (6, 3053426), (12, 1526713), (71, 258036), (142, 129018), (213, 86012), (284, 64509), (426, 43006), (852, 21503)]