19514260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22691}}^1$

素因数の和:22743

約数の個数: 24

約数和(自身を含む): 41934816

約数和(自身を除く): 22420556

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 22691, 45382, 90764, 113455, 226910, 453820, 975713, 1951426, 3902852, 4878565, 9757130, 19514260]

約数ペア:

[(1, 19514260), (2, 9757130), (4, 4878565), (5, 3902852), (10, 1951426), (20, 975713), (43, 453820), (86, 226910), (172, 113455), (215, 90764), (430, 45382), (860, 22691)]