19889151

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1867}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 27437184

約数和(自身を除く): 7548033

約数列:

[1, 3, 53, 67, 159, 201, 1867, 3551, 5601, 10653, 98951, 125089, 296853, 375267, 6629717, 19889151]

約数ペア:

[(1, 19889151), (3, 6629717), (53, 375267), (67, 296853), (159, 125089), (201, 98951), (1867, 10653), (3551, 5601)]