19778434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 33675264

約数和(自身を除く): 13896830

約数列:

[1, 2, 13, 26, 31, 53, 62, 106, 403, 463, 689, 806, 926, 1378, 1643, 3286, 6019, 12038, 14353, 21359, 24539, 28706, 42718, 49078, 186589, 319007, 373178, 638014, 760709, 1521418, 9889217, 19778434]

約数ペア:

[(1, 19778434), (2, 9889217), (13, 1521418), (26, 760709), (31, 638014), (53, 373178), (62, 319007), (106, 186589), (403, 49078), (463, 42718), (689, 28706), (806, 24539), (926, 21359), (1378, 14353), (1643, 12038), (3286, 6019)]