18154790

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 33899040

約数和(自身を除く): 15744250

約数列:

[1, 2, 5, 10, 37, 74, 139, 185, 278, 353, 370, 695, 706, 1390, 1765, 3530, 5143, 10286, 13061, 25715, 26122, 49067, 51430, 65305, 98134, 130610, 245335, 490670, 1815479, 3630958, 9077395, 18154790]

約数ペア:

[(1, 18154790), (2, 9077395), (5, 3630958), (10, 1815479), (37, 490670), (74, 245335), (139, 130610), (185, 98134), (278, 65305), (353, 51430), (370, 49067), (695, 26122), (706, 25715), (1390, 13061), (1765, 10286), (3530, 5143)]