22640868

素因数分解:

$2^2\times 3^2\times {\mathrm{628913}}^1$

素因数の和:628923

約数の個数: 18

約数和(自身を含む): 57231174

約数和(自身を除く): 34590306

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 628913, 1257826, 1886739, 2515652, 3773478, 5660217, 7546956, 11320434, 22640868]

約数ペア:

[(1, 22640868), (2, 11320434), (3, 7546956), (4, 5660217), (6, 3773478), (9, 2515652), (12, 1886739), (18, 1257826), (36, 628913)]