19589355

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 37234080

約数和(自身を除く): 17644725

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 883, 1305, 1479, 2465, 2649, 4415, 4437, 7395, 7947, 13245, 15011, 22185, 25607, 39735, 45033, 75055, 76821, 128035, 135099, 225165, 230463, 384105, 435319, 675495, 1152315, 1305957, 2176595, 3917871, 6529785, 19589355]

約数ペア:

[(1, 19589355), (3, 6529785), (5, 3917871), (9, 2176595), (15, 1305957), (17, 1152315), (29, 675495), (45, 435319), (51, 384105), (85, 230463), (87, 225165), (145, 135099), (153, 128035), (255, 76821), (261, 75055), (435, 45033), (493, 39735), (765, 25607), (883, 22185), (1305, 15011), (1479, 13245), (2465, 7947), (2649, 7395), (4415, 4437)]