19640278

素因数分解:

$2^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1873}}^1$

素因数の和:1996

約数の個数: 24

約数和(自身を含む): 34609032

約数和(自身を除く): 14968754

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 749, 1498, 1873, 3746, 5243, 10486, 13111, 26222, 91777, 183554, 200411, 400822, 1402877, 2805754, 9820139, 19640278]

約数ペア:

[(1, 19640278), (2, 9820139), (7, 2805754), (14, 1402877), (49, 400822), (98, 200411), (107, 183554), (214, 91777), (749, 26222), (1498, 13111), (1873, 10486), (3746, 5243)]