642643884

素因数分解:

$2^2\times 3^2\times {\mathrm{17851219}}^1$

素因数の和:17851229

約数の個数: 18

約数和(自身を含む): 1624461020

約数和(自身を除く): 981817136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 17851219, 35702438, 53553657, 71404876, 107107314, 160660971, 214214628, 321321942, 642643884]

約数ペア:

[(1, 642643884), (2, 321321942), (3, 214214628), (4, 160660971), (6, 107107314), (9, 71404876), (12, 53553657), (18, 35702438), (36, 17851219)]