19207474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 14903246

約数列:

[1, 2, 11, 13, 22, 26, 143, 239, 281, 286, 478, 562, 2629, 3091, 3107, 3653, 5258, 6182, 6214, 7306, 34177, 40183, 67159, 68354, 80366, 134318, 738749, 873067, 1477498, 1746134, 9603737, 19207474]

約数ペア:

[(1, 19207474), (2, 9603737), (11, 1746134), (13, 1477498), (22, 873067), (26, 738749), (143, 134318), (239, 80366), (281, 68354), (286, 67159), (478, 40183), (562, 34177), (2629, 7306), (3091, 6214), (3107, 6182), (3653, 5258)]