18651627

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{563}}^1$

素因数の和:984

約数の個数: 20

約数和(自身を含む): 27980040

約数和(自身を除く): 9328413

約数列:

[1, 3, 9, 27, 81, 409, 563, 1227, 1689, 3681, 5067, 11043, 15201, 33129, 45603, 230267, 690801, 2072403, 6217209, 18651627]

約数ペア:

[(1, 18651627), (3, 6217209), (9, 2072403), (27, 690801), (81, 230267), (409, 45603), (563, 33129), (1227, 15201), (1689, 11043), (3681, 5067)]