18953109

素因数分解:

$3^4\times 7^1\times {\mathrm{33427}}^1$

素因数の和:33446

約数の個数: 20

約数和(自身を含む): 32358304

約数和(自身を除く): 13405195

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33427, 100281, 233989, 300843, 701967, 902529, 2105901, 2707587, 6317703, 18953109]

約数ペア:

[(1, 18953109), (3, 6317703), (7, 2707587), (9, 2105901), (21, 902529), (27, 701967), (63, 300843), (81, 233989), (189, 100281), (567, 33427)]