18232905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 31207680

約数和(自身を除く): 12974775

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 1289, 2829, 3867, 4715, 6445, 14145, 19335, 29647, 52849, 88941, 148235, 158547, 264245, 444705, 792735, 1215527, 3646581, 6077635, 18232905]

約数ペア:

[(1, 18232905), (3, 6077635), (5, 3646581), (15, 1215527), (23, 792735), (41, 444705), (69, 264245), (115, 158547), (123, 148235), (205, 88941), (345, 52849), (615, 29647), (943, 19335), (1289, 14145), (2829, 6445), (3867, 4715)]