19620458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 35707392

約数和(自身を除く): 16086934

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 2213, 4426, 4433, 8866, 24343, 28769, 48686, 57538, 68603, 137206, 316459, 632918, 754633, 891839, 1509266, 1783678, 9810229, 19620458]

約数ペア:

[(1, 19620458), (2, 9810229), (11, 1783678), (13, 1509266), (22, 891839), (26, 754633), (31, 632918), (62, 316459), (143, 137206), (286, 68603), (341, 57538), (403, 48686), (682, 28769), (806, 24343), (2213, 8866), (4426, 4433)]