19512078

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 39958272

約数和(自身を除く): 20446194

約数列:

[1, 2, 3, 6, 71, 142, 163, 213, 281, 326, 426, 489, 562, 843, 978, 1686, 11573, 19951, 23146, 34719, 39902, 45803, 59853, 69438, 91606, 119706, 137409, 274818, 3252013, 6504026, 9756039, 19512078]

約数ペア:

[(1, 19512078), (2, 9756039), (3, 6504026), (6, 3252013), (71, 274818), (142, 137409), (163, 119706), (213, 91606), (281, 69438), (326, 59853), (426, 45803), (489, 39902), (562, 34719), (843, 23146), (978, 19951), (1686, 11573)]