19584747

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2689

約数の個数: 40

約数和(自身を含む): 36021216

約数和(自身を除く): 16436469

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2657, 7371, 7971, 18599, 23913, 34541, 55797, 71739, 103623, 167391, 215217, 241787, 310869, 502173, 725361, 932607, 1506519, 2176083, 2797821, 6528249, 19584747]

約数ペア:

[(1, 19584747), (3, 6528249), (7, 2797821), (9, 2176083), (13, 1506519), (21, 932607), (27, 725361), (39, 502173), (63, 310869), (81, 241787), (91, 215217), (117, 167391), (189, 103623), (273, 71739), (351, 55797), (567, 34541), (819, 23913), (1053, 18599), (2457, 7971), (2657, 7371)]