18463780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8963}}^1$

素因数の和:9075

約数の個数: 24

約数和(自身を含む): 39154752

約数和(自身を除く): 20690972

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 8963, 17926, 35852, 44815, 89630, 179260, 923189, 1846378, 3692756, 4615945, 9231890, 18463780]

約数ペア:

[(1, 18463780), (2, 9231890), (4, 4615945), (5, 3692756), (10, 1846378), (20, 923189), (103, 179260), (206, 89630), (412, 44815), (515, 35852), (1030, 17926), (2060, 8963)]