18227985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 30264192

約数和(自身を除く): 12036207

約数列:

[1, 3, 5, 15, 41, 107, 123, 205, 277, 321, 535, 615, 831, 1385, 1605, 4155, 4387, 11357, 13161, 21935, 29639, 34071, 56785, 65805, 88917, 148195, 170355, 444585, 1215199, 3645597, 6075995, 18227985]

約数ペア:

[(1, 18227985), (3, 6075995), (5, 3645597), (15, 1215199), (41, 444585), (107, 170355), (123, 148195), (205, 88917), (277, 65805), (321, 56785), (535, 34071), (615, 29639), (831, 21935), (1385, 13161), (1605, 11357), (4155, 4387)]