50400018

素因数分解:

$2^1\times 3^2\times {\mathrm{2800001}}^1$

素因数の和:2800009

約数の個数: 12

約数和(自身を含む): 109200078

約数和(自身を除く): 58800060

約数列:

[1, 2, 3, 6, 9, 18, 2800001, 5600002, 8400003, 16800006, 25200009, 50400018]

約数ペア:

[(1, 50400018), (2, 25200009), (3, 16800006), (6, 8400003), (9, 5600002), (18, 2800001)]