19965813505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{13873}}^1$

素因数の和:14217

約数の個数: 32

約数和(自身を含む): 26467596288

約数和(自身を除く): 6501782783

約数列:

[1, 5, 11, 55, 137, 191, 685, 955, 1507, 2101, 7535, 10505, 13873, 26167, 69365, 130835, 152603, 287837, 763015, 1439185, 1900601, 2649743, 9503005, 13248715, 20906611, 29147173, 104533055, 145735865, 363014791, 1815073955, 3993162701, 19965813505]

約数ペア:

[(1, 19965813505), (5, 3993162701), (11, 1815073955), (55, 363014791), (137, 145735865), (191, 104533055), (685, 29147173), (955, 20906611), (1507, 13248715), (2101, 9503005), (7535, 2649743), (10505, 1900601), (13873, 1439185), (26167, 763015), (69365, 287837), (130835, 152603)]