19137720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22783}}^1$

素因数の和:22804

約数の個数: 64

約数和(自身を含む): 65617920

約数和(自身を除く): 46480200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22783, 45566, 68349, 91132, 113915, 136698, 159481, 182264, 227830, 273396, 318962, 341745, 455660, 478443, 546792, 637924, 683490, 797405, 911320, 956886, 1275848, 1366980, 1594810, 1913772, 2392215, 2733960, 3189620, 3827544, 4784430, 6379240, 9568860, 19137720]

約数ペア:

[(1, 19137720), (2, 9568860), (3, 6379240), (4, 4784430), (5, 3827544), (6, 3189620), (7, 2733960), (8, 2392215), (10, 1913772), (12, 1594810), (14, 1366980), (15, 1275848), (20, 956886), (21, 911320), (24, 797405), (28, 683490), (30, 637924), (35, 546792), (40, 478443), (42, 455660), (56, 341745), (60, 318962), (70, 273396), (84, 227830), (105, 182264), (120, 159481), (140, 136698), (168, 113915), (210, 91132), (280, 68349), (420, 45566), (840, 22783)]