18897345

素因数分解:

$3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{907}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 32862336

約数和(自身を除く): 13964991

約数列:

[1, 3, 5, 9, 15, 45, 463, 907, 1389, 2315, 2721, 4167, 4535, 6945, 8163, 13605, 20835, 40815, 419941, 1259823, 2099705, 3779469, 6299115, 18897345]

約数ペア:

[(1, 18897345), (3, 6299115), (5, 3779469), (9, 2099705), (15, 1259823), (45, 419941), (463, 40815), (907, 20835), (1389, 13605), (2315, 8163), (2721, 6945), (4167, 4535)]