18995283

素因数分解:

$3^3\times {\mathrm{353}}^1\times {\mathrm{1993}}^1$

素因数の和:2355

約数の個数: 16

約数和(自身を含む): 28235040

約数和(自身を除く): 9239757

約数列:

[1, 3, 9, 27, 353, 1059, 1993, 3177, 5979, 9531, 17937, 53811, 703529, 2110587, 6331761, 18995283]

約数ペア:

[(1, 18995283), (3, 6331761), (9, 2110587), (27, 703529), (353, 53811), (1059, 17937), (1993, 9531), (3177, 5979)]