18886335

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4211}}^1$

素因数の和:4255

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 15079233

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4211, 4485, 12633, 21055, 54743, 63165, 96853, 164229, 273715, 290559, 484265, 821145, 1259089, 1452795, 3777267, 6295445, 18886335]

約数ペア:

[(1, 18886335), (3, 6295445), (5, 3777267), (13, 1452795), (15, 1259089), (23, 821145), (39, 484265), (65, 290559), (69, 273715), (115, 164229), (195, 96853), (299, 63165), (345, 54743), (897, 21055), (1495, 12633), (4211, 4485)]