18210340

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2909}}^1$

素因数の和:3231

約数の個数: 24

約数和(自身を含む): 38377080

約数和(自身を除く): 20166740

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 2909, 3130, 5818, 6260, 11636, 14545, 29090, 58180, 910517, 1821034, 3642068, 4552585, 9105170, 18210340]

約数ペア:

[(1, 18210340), (2, 9105170), (4, 4552585), (5, 3642068), (10, 1821034), (20, 910517), (313, 58180), (626, 29090), (1252, 14545), (1565, 11636), (2909, 6260), (3130, 5818)]