18865358

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1079

約数の個数: 16

約数和(自身を含む): 28896000

約数和(自身を除く): 10030642

約数列:

[1, 2, 79, 139, 158, 278, 859, 1718, 10981, 21962, 67861, 119401, 135722, 238802, 9432679, 18865358]

約数ペア:

[(1, 18865358), (2, 9432679), (79, 238802), (139, 135722), (158, 119401), (278, 67861), (859, 21962), (1718, 10981)]