199020890

素因数分解:

$2^1\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{19531}}^1$

素因数の和:20557

約数の個数: 16

約数和(自身を含む): 358607520

約数和(自身を除く): 159586630

約数列:

[1, 2, 5, 10, 1019, 2038, 5095, 10190, 19531, 39062, 97655, 195310, 19902089, 39804178, 99510445, 199020890]

約数ペア:

[(1, 199020890), (2, 99510445), (5, 39804178), (10, 19902089), (1019, 195310), (2038, 97655), (5095, 39062), (10190, 19531)]