19898290

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8923}}^1$

素因数の和:9153

約数の個数: 16

約数和(自身を含む): 35981568

約数和(自身を除く): 16083278

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 8923, 17846, 44615, 89230, 1989829, 3979658, 9949145, 19898290]

約数ペア:

[(1, 19898290), (2, 9949145), (5, 3979658), (10, 1989829), (223, 89230), (446, 44615), (1115, 17846), (2230, 8923)]