19981498

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{821}}^1$

素因数の和:1149

約数の個数: 16

約数和(自身を含む): 30815136

約数和(自身を除く): 10833638

約数列:

[1, 2, 43, 86, 283, 566, 821, 1642, 12169, 24338, 35303, 70606, 232343, 464686, 9990749, 19981498]

約数ペア:

[(1, 19981498), (2, 9990749), (43, 464686), (86, 232343), (283, 70606), (566, 35303), (821, 24338), (1642, 12169)]