18995260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9221}}^1$

素因数の和:9333

約数の個数: 24

約数和(自身を含む): 40281696

約数和(自身を除く): 21286436

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9221, 18442, 36884, 46105, 92210, 184420, 949763, 1899526, 3799052, 4748815, 9497630, 18995260]

約数ペア:

[(1, 18995260), (2, 9497630), (4, 4748815), (5, 3799052), (10, 1899526), (20, 949763), (103, 184420), (206, 92210), (412, 46105), (515, 36884), (1030, 18442), (2060, 9221)]