18803907

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{863}}^1$

素因数の和:1144

約数の個数: 20

約数和(自身を含む): 28226880

約数和(自身を除く): 9422973

約数列:

[1, 3, 9, 27, 81, 269, 807, 863, 2421, 2589, 7263, 7767, 21789, 23301, 69903, 232147, 696441, 2089323, 6267969, 18803907]

約数ペア:

[(1, 18803907), (3, 6267969), (9, 2089323), (27, 696441), (81, 232147), (269, 69903), (807, 23301), (863, 21789), (2421, 7767), (2589, 7263)]