18638505

素因数分解:

$3^4\times 5^1\times {\mathrm{46021}}^1$

素因数の和:46038

約数の個数: 20

約数和(自身を含む): 33411972

約数和(自身を除く): 14773467

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 46021, 138063, 230105, 414189, 690315, 1242567, 2070945, 3727701, 6212835, 18638505]

約数ペア:

[(1, 18638505), (3, 6212835), (5, 3727701), (9, 2070945), (15, 1242567), (27, 690315), (45, 414189), (81, 230105), (135, 138063), (405, 46021)]