18942315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 16101525

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 2027, 3115, 6081, 9345, 10135, 14189, 30405, 42567, 70945, 180403, 212835, 541209, 902015, 1262821, 2706045, 3788463, 6314105, 18942315]

約数ペア:

[(1, 18942315), (3, 6314105), (5, 3788463), (7, 2706045), (15, 1262821), (21, 902015), (35, 541209), (89, 212835), (105, 180403), (267, 70945), (445, 42567), (623, 30405), (1335, 14189), (1869, 10135), (2027, 9345), (3115, 6081)]