18531468

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{22381}}^1$

素因数の和:22414

約数の個数: 36

約数和(自身を含む): 48882288

約数和(自身を除く): 30350820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 22381, 44762, 67143, 89524, 134286, 201429, 268572, 402858, 514763, 805716, 1029526, 1544289, 2059052, 3088578, 4632867, 6177156, 9265734, 18531468]

約数ペア:

[(1, 18531468), (2, 9265734), (3, 6177156), (4, 4632867), (6, 3088578), (9, 2059052), (12, 1544289), (18, 1029526), (23, 805716), (36, 514763), (46, 402858), (69, 268572), (92, 201429), (138, 134286), (207, 89524), (276, 67143), (414, 44762), (828, 22381)]