18986212

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39887}}^1$

素因数の和:39915

約数の個数: 24

約数和(自身を含む): 40207104

約数和(自身を除く): 21220892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 39887, 79774, 159548, 279209, 558418, 678079, 1116836, 1356158, 2712316, 4746553, 9493106, 18986212]

約数ペア:

[(1, 18986212), (2, 9493106), (4, 4746553), (7, 2712316), (14, 1356158), (17, 1116836), (28, 678079), (34, 558418), (68, 279209), (119, 159548), (238, 79774), (476, 39887)]