19730755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5881}}^1$

素因数の和:5958

約数の個数: 16

約数和(自身を含む): 26257248

約数和(自身を除く): 6526493

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 5881, 29405, 64691, 323455, 358741, 1793705, 3946151, 19730755]

約数ペア:

[(1, 19730755), (5, 3946151), (11, 1793705), (55, 358741), (61, 323455), (305, 64691), (671, 29405), (3355, 5881)]