19739681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 22425984

約数和(自身を除く): 2686303

約数列:

[1, 13, 23, 107, 299, 617, 1391, 2461, 8021, 14191, 31993, 66019, 184483, 858247, 1518437, 19739681]

約数ペア:

[(1, 19739681), (13, 1518437), (23, 858247), (107, 184483), (299, 66019), (617, 31993), (1391, 14191), (2461, 8021)]