18993423

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3877}}^1$

素因数の和:3974

約数の個数: 16

約数和(自身を含む): 26804736

約数和(自身を除く): 7811313

約数列:

[1, 3, 23, 69, 71, 213, 1633, 3877, 4899, 11631, 89171, 267513, 275267, 825801, 6331141, 18993423]

約数ペア:

[(1, 18993423), (3, 6331141), (23, 825801), (69, 275267), (71, 267513), (213, 89171), (1633, 11631), (3877, 4899)]