18540780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{309013}}^1$

素因数の和:309025

約数の個数: 24

約数和(自身を含む): 51914352

約数和(自身を除く): 33373572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 309013, 618026, 927039, 1236052, 1545065, 1854078, 3090130, 3708156, 4635195, 6180260, 9270390, 18540780]

約数ペア:

[(1, 18540780), (2, 9270390), (3, 6180260), (4, 4635195), (5, 3708156), (6, 3090130), (10, 1854078), (12, 1545065), (15, 1236052), (20, 927039), (30, 618026), (60, 309013)]