19621485

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1973}}^1$

素因数の和:2014

約数の個数: 48

約数和(自身を含む): 38800944

約数和(自身を除く): 19179459

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1973, 1989, 3315, 5919, 9865, 9945, 17757, 25649, 29595, 33541, 76947, 88785, 100623, 128245, 167705, 230841, 301869, 384735, 436033, 503115, 1154205, 1308099, 1509345, 2180165, 3924297, 6540495, 19621485]

約数ペア:

[(1, 19621485), (3, 6540495), (5, 3924297), (9, 2180165), (13, 1509345), (15, 1308099), (17, 1154205), (39, 503115), (45, 436033), (51, 384735), (65, 301869), (85, 230841), (117, 167705), (153, 128245), (195, 100623), (221, 88785), (255, 76947), (585, 33541), (663, 29595), (765, 25649), (1105, 17757), (1973, 9945), (1989, 9865), (3315, 5919)]