19278246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{563}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 41690880

約数和(自身を除く): 22412634

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 439, 563, 878, 1126, 1317, 1689, 2634, 3378, 5707, 7319, 11414, 14638, 17121, 21957, 34242, 43914, 247157, 494314, 741471, 1482942, 3213041, 6426082, 9639123, 19278246]

約数ペア:

[(1, 19278246), (2, 9639123), (3, 6426082), (6, 3213041), (13, 1482942), (26, 741471), (39, 494314), (78, 247157), (439, 43914), (563, 34242), (878, 21957), (1126, 17121), (1317, 14638), (1689, 11414), (2634, 7319), (3378, 5707)]