19646523

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 11964357

約数列:

[1, 3, 9, 13, 27, 39, 117, 223, 251, 351, 669, 753, 2007, 2259, 2899, 3263, 6021, 6777, 8697, 9789, 26091, 29367, 55973, 78273, 88101, 167919, 503757, 727649, 1511271, 2182947, 6548841, 19646523]

約数ペア:

[(1, 19646523), (3, 6548841), (9, 2182947), (13, 1511271), (27, 727649), (39, 503757), (117, 167919), (223, 88101), (251, 78273), (351, 55973), (669, 29367), (753, 26091), (2007, 9789), (2259, 8697), (2899, 6777), (3263, 6021)]