15388690

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11071}}^1$

素因数の和:11217

約数の個数: 16

約数和(自身を含む): 27901440

約数和(自身を除く): 12512750

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 11071, 22142, 55355, 110710, 1538869, 3077738, 7694345, 15388690]

約数ペア:

[(1, 15388690), (2, 7694345), (5, 3077738), (10, 1538869), (139, 110710), (278, 55355), (695, 22142), (1390, 11071)]