19972210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46447}}^1$

素因数の和:46497

約数の個数: 16

約数和(自身を含む): 36786816

約数和(自身を除く): 16814606

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 46447, 92894, 232235, 464470, 1997221, 3994442, 9986105, 19972210]

約数ペア:

[(1, 19972210), (2, 9986105), (5, 3994442), (10, 1997221), (43, 464470), (86, 232235), (215, 92894), (430, 46447)]