18974748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{121633}}^1$

素因数の和:121653

約数の個数: 24

約数和(自身を含む): 47680528

約数和(自身を除く): 28705780

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 121633, 243266, 364899, 486532, 729798, 1459596, 1581229, 3162458, 4743687, 6324916, 9487374, 18974748]

約数ペア:

[(1, 18974748), (2, 9487374), (3, 6324916), (4, 4743687), (6, 3162458), (12, 1581229), (13, 1459596), (26, 729798), (39, 486532), (52, 364899), (78, 243266), (156, 121633)]