19120388

素因数分解:

$2^2\times 7^2\times {\mathrm{97553}}^1$

素因数の和:97571

約数の個数: 18

約数和(自身を含む): 38924046

約数和(自身を除く): 19803658

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 97553, 195106, 390212, 682871, 1365742, 2731484, 4780097, 9560194, 19120388]

約数ペア:

[(1, 19120388), (2, 9560194), (4, 4780097), (7, 2731484), (14, 1365742), (28, 682871), (49, 390212), (98, 195106), (196, 97553)]