19795440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11783}}^1$

素因数の和:11806

約数の個数: 80

約数和(自身を含む): 70138368

約数和(自身を除く): 50342928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11783, 23566, 35349, 47132, 58915, 70698, 82481, 94264, 117830, 141396, 164962, 176745, 188528, 235660, 247443, 282792, 329924, 353490, 412405, 471320, 494886, 565584, 659848, 706980, 824810, 942640, 989772, 1237215, 1319696, 1413960, 1649620, 1979544, 2474430, 2827920, 3299240, 3959088, 4948860, 6598480, 9897720, 19795440]

約数ペア:

[(1, 19795440), (2, 9897720), (3, 6598480), (4, 4948860), (5, 3959088), (6, 3299240), (7, 2827920), (8, 2474430), (10, 1979544), (12, 1649620), (14, 1413960), (15, 1319696), (16, 1237215), (20, 989772), (21, 942640), (24, 824810), (28, 706980), (30, 659848), (35, 565584), (40, 494886), (42, 471320), (48, 412405), (56, 353490), (60, 329924), (70, 282792), (80, 247443), (84, 235660), (105, 188528), (112, 176745), (120, 164962), (140, 141396), (168, 117830), (210, 94264), (240, 82481), (280, 70698), (336, 58915), (420, 47132), (560, 35349), (840, 23566), (1680, 11783)]