18380710

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 34255872

約数和(自身を除く): 15875162

約数列:

[1, 2, 5, 10, 41, 82, 127, 205, 254, 353, 410, 635, 706, 1270, 1765, 3530, 5207, 10414, 14473, 26035, 28946, 44831, 52070, 72365, 89662, 144730, 224155, 448310, 1838071, 3676142, 9190355, 18380710]

約数ペア:

[(1, 18380710), (2, 9190355), (5, 3676142), (10, 1838071), (41, 448310), (82, 224155), (127, 144730), (205, 89662), (254, 72365), (353, 52070), (410, 44831), (635, 28946), (706, 26035), (1270, 14473), (1765, 10414), (3530, 5207)]