18927351

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{1291}}^1$

素因数の和:1484

約数の個数: 20

約数和(自身を含む): 28452424

約数和(自身を除く): 9525073

約数列:

[1, 3, 9, 27, 81, 181, 543, 1291, 1629, 3873, 4887, 11619, 14661, 34857, 104571, 233671, 701013, 2103039, 6309117, 18927351]

約数ペア:

[(1, 18927351), (3, 6309117), (9, 2103039), (27, 701013), (81, 233671), (181, 104571), (543, 34857), (1291, 14661), (1629, 11619), (3873, 4887)]