18690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1$

素因数の和:106

約数の個数: 32

約数和(自身を含む): 51840

約数和(自身を除く): 33150

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1246, 1335, 1869, 2670, 3115, 3738, 6230, 9345, 18690]

約数ペア:

[(1, 18690), (2, 9345), (3, 6230), (5, 3738), (6, 3115), (7, 2670), (10, 1869), (14, 1335), (15, 1246), (21, 890), (30, 623), (35, 534), (42, 445), (70, 267), (89, 210), (105, 178)]