18405144

素因数分解:

$2^3\times 3^4\times {\mathrm{28403}}^1$

素因数の和:28421

約数の個数: 40

約数和(自身を含む): 51553260

約数和(自身を除く): 33148116

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 28403, 56806, 85209, 113612, 170418, 227224, 255627, 340836, 511254, 681672, 766881, 1022508, 1533762, 2045016, 2300643, 3067524, 4601286, 6135048, 9202572, 18405144]

約数ペア:

[(1, 18405144), (2, 9202572), (3, 6135048), (4, 4601286), (6, 3067524), (8, 2300643), (9, 2045016), (12, 1533762), (18, 1022508), (24, 766881), (27, 681672), (36, 511254), (54, 340836), (72, 255627), (81, 227224), (108, 170418), (162, 113612), (216, 85209), (324, 56806), (648, 28403)]