18913206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5639}}^1$

素因数の和:5700

約数の個数: 32

約数和(自身を含む): 41690880

約数和(自身を除く): 22777674

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 5639, 11278, 16917, 33834, 73307, 146614, 219921, 242477, 439842, 484954, 727431, 1454862, 3152201, 6304402, 9456603, 18913206]

約数ペア:

[(1, 18913206), (2, 9456603), (3, 6304402), (6, 3152201), (13, 1454862), (26, 727431), (39, 484954), (43, 439842), (78, 242477), (86, 219921), (129, 146614), (258, 73307), (559, 33834), (1118, 16917), (1677, 11278), (3354, 5639)]