19720196307

素因数分解:

$3^3\times 7^1\times {\mathrm{373}}^1\times {\mathrm{279731}}^1$

素因数の和:280120

約数の個数: 32

約数和(自身を含む): 33478325760

約数和(自身を除く): 13758129453

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 373, 1119, 2611, 3357, 7833, 10071, 23499, 70497, 279731, 839193, 1958117, 2517579, 5874351, 7552737, 17623053, 52869159, 104339663, 313018989, 730377641, 939056967, 2191132923, 2817170901, 6573398769, 19720196307]

約数ペア:

[(1, 19720196307), (3, 6573398769), (7, 2817170901), (9, 2191132923), (21, 939056967), (27, 730377641), (63, 313018989), (189, 104339663), (373, 52869159), (1119, 17623053), (2611, 7552737), (3357, 5874351), (7833, 2517579), (10071, 1958117), (23499, 839193), (70497, 279731)]