12991934

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7951}}^1$

素因数の和:8015

約数の個数: 16

約数和(自身を含む): 20993280

約数和(自身を除く): 8001346

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 7951, 15902, 151069, 302138, 341893, 683786, 6495967, 12991934]

約数ペア:

[(1, 12991934), (2, 6495967), (19, 683786), (38, 341893), (43, 302138), (86, 151069), (817, 15902), (1634, 7951)]