18871286

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 34136640

約数和(自身を除く): 15265354

約数列:

[1, 2, 7, 14, 29, 53, 58, 106, 203, 371, 406, 742, 877, 1537, 1754, 3074, 6139, 10759, 12278, 21518, 25433, 46481, 50866, 92962, 178031, 325367, 356062, 650734, 1347949, 2695898, 9435643, 18871286]

約数ペア:

[(1, 18871286), (2, 9435643), (7, 2695898), (14, 1347949), (29, 650734), (53, 356062), (58, 325367), (106, 178031), (203, 92962), (371, 50866), (406, 46481), (742, 25433), (877, 21518), (1537, 12278), (1754, 10759), (3074, 6139)]