19957574

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2069}}^1$

素因数の和:2144

約数の個数: 32

約数和(自身を含む): 37558080

約数和(自身を除く): 17600506

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 1378, 2069, 4138, 4823, 9646, 14483, 26897, 28966, 53794, 109657, 188279, 219314, 376558, 767599, 1425541, 1535198, 2851082, 9978787, 19957574]

約数ペア:

[(1, 19957574), (2, 9978787), (7, 2851082), (13, 1535198), (14, 1425541), (26, 767599), (53, 376558), (91, 219314), (106, 188279), (182, 109657), (371, 53794), (689, 28966), (742, 26897), (1378, 14483), (2069, 9646), (4138, 4823)]