18898607

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2141}}^1$

素因数の和:2258

約数の個数: 16

約数和(自身を含む): 23510592

約数和(自身を除く): 4611985

約数列:

[1, 7, 13, 91, 97, 679, 1261, 2141, 8827, 14987, 27833, 194831, 207677, 1453739, 2699801, 18898607]

約数ペア:

[(1, 18898607), (7, 2699801), (13, 1453739), (91, 207677), (97, 194831), (679, 27833), (1261, 14987), (2141, 8827)]