19912230801

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{2239}}^1\times {\mathrm{7109}}^1$

素因数の和:9493

約数の個数: 24

約数和(自身を含む): 28986048000

約数和(自身を除く): 9073817199

約数列:

[1, 3, 9, 139, 417, 1251, 2239, 6717, 7109, 20151, 21327, 63981, 311221, 933663, 988151, 2800989, 2964453, 8893359, 15917051, 47751153, 143253459, 2212470089, 6637410267, 19912230801]

約数ペア:

[(1, 19912230801), (3, 6637410267), (9, 2212470089), (139, 143253459), (417, 47751153), (1251, 15917051), (2239, 8893359), (6717, 2964453), (7109, 2800989), (20151, 988151), (21327, 933663), (63981, 311221)]