18204690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{86689}}^1$

素因数の和:86706

約数の個数: 32

約数和(自身を含む): 49933440

約数和(自身を除く): 31728750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 86689, 173378, 260067, 433445, 520134, 606823, 866890, 1213646, 1300335, 1820469, 2600670, 3034115, 3640938, 6068230, 9102345, 18204690]

約数ペア:

[(1, 18204690), (2, 9102345), (3, 6068230), (5, 3640938), (6, 3034115), (7, 2600670), (10, 1820469), (14, 1300335), (15, 1213646), (21, 866890), (30, 606823), (35, 520134), (42, 433445), (70, 260067), (105, 173378), (210, 86689)]