18942417

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17989}}^1$

素因数の和:18014

約数の個数: 20

約数和(自身を含む): 30475060

約数和(自身を除く): 11532643

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17989, 53967, 161901, 233857, 485703, 701571, 1457109, 2104713, 6314139, 18942417]

約数ペア:

[(1, 18942417), (3, 6314139), (9, 2104713), (13, 1457109), (27, 701571), (39, 485703), (81, 233857), (117, 161901), (351, 53967), (1053, 17989)]