19889595

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1747}}^1$

素因数の和:1792

約数の個数: 48

約数和(自身を含む): 39267072

約数和(自身を除く): 19377477

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 253, 345, 495, 759, 1035, 1265, 1747, 2277, 3795, 5241, 8735, 11385, 15723, 19217, 26205, 40181, 57651, 78615, 96085, 120543, 172953, 200905, 288255, 361629, 441991, 602715, 864765, 1325973, 1808145, 2209955, 3977919, 6629865, 19889595]

約数ペア:

[(1, 19889595), (3, 6629865), (5, 3977919), (9, 2209955), (11, 1808145), (15, 1325973), (23, 864765), (33, 602715), (45, 441991), (55, 361629), (69, 288255), (99, 200905), (115, 172953), (165, 120543), (207, 96085), (253, 78615), (345, 57651), (495, 40181), (759, 26205), (1035, 19217), (1265, 15723), (1747, 11385), (2277, 8735), (3795, 5241)]