18503870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3433}}^1$

素因数の和:3465

約数の個数: 48

約数和(自身を含む): 42279408

約数和(自身を除く): 23775538

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3433, 5390, 6866, 17165, 24031, 34330, 37763, 48062, 75526, 120155, 168217, 188815, 240310, 264341, 336434, 377630, 528682, 841085, 1321705, 1682170, 1850387, 2643410, 3700774, 9251935, 18503870]

約数ペア:

[(1, 18503870), (2, 9251935), (5, 3700774), (7, 2643410), (10, 1850387), (11, 1682170), (14, 1321705), (22, 841085), (35, 528682), (49, 377630), (55, 336434), (70, 264341), (77, 240310), (98, 188815), (110, 168217), (154, 120155), (245, 75526), (385, 48062), (490, 37763), (539, 34330), (770, 24031), (1078, 17165), (2695, 6866), (3433, 5390)]