18699434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8081}}^1$

素因数の和:8185

約数の個数: 16

約数和(自身を含む): 30549960

約数和(自身を除く): 11850526

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8081, 16162, 105053, 210106, 719209, 1438418, 9349717, 18699434]

約数ペア:

[(1, 18699434), (2, 9349717), (13, 1438418), (26, 719209), (89, 210106), (178, 105053), (1157, 16162), (2314, 8081)]