18725226

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1006

約数の個数: 32

約数和(自身を含む): 40497408

約数和(自身を除く): 21772182

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 431, 557, 862, 1114, 1293, 1671, 2586, 3342, 5603, 7241, 11206, 14482, 16809, 21723, 33618, 43446, 240067, 480134, 720201, 1440402, 3120871, 6241742, 9362613, 18725226]

約数ペア:

[(1, 18725226), (2, 9362613), (3, 6241742), (6, 3120871), (13, 1440402), (26, 720201), (39, 480134), (78, 240067), (431, 43446), (557, 33618), (862, 21723), (1114, 16809), (1293, 14482), (1671, 11206), (2586, 7241), (3342, 5603)]