19286690

素因数分解:

$2^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1889}}^1$

素因数の和:2917

約数の個数: 16

約数和(自身を含む): 34768440

約数和(自身を除く): 15481750

約数列:

[1, 2, 5, 10, 1021, 1889, 2042, 3778, 5105, 9445, 10210, 18890, 1928669, 3857338, 9643345, 19286690]

約数ペア:

[(1, 19286690), (2, 9643345), (5, 3857338), (10, 1928669), (1021, 18890), (1889, 10210), (2042, 9445), (3778, 5105)]