19291440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11483}}^1$

素因数の和:11506

約数の個数: 80

約数和(自身を含む): 68352768

約数和(自身を除く): 49061328

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, 11483, 22966, 34449, 45932, 57415, 68898, 80381, 91864, 114830, 137796, 160762, 172245, 183728, 229660, 241143, 275592, 321524, 344490, 401905, 459320, 482286, 551184, 643048, 688980, 803810, 918640, 964572, 1205715, 1286096, 1377960, 1607620, 1929144, 2411430, 2755920, 3215240, 3858288, 4822860, 6430480, 9645720, 19291440]

約数ペア:

[(1, 19291440), (2, 9645720), (3, 6430480), (4, 4822860), (5, 3858288), (6, 3215240), (7, 2755920), (8, 2411430), (10, 1929144), (12, 1607620), (14, 1377960), (15, 1286096), (16, 1205715), (20, 964572), (21, 918640), (24, 803810), (28, 688980), (30, 643048), (35, 551184), (40, 482286), (42, 459320), (48, 401905), (56, 344490), (60, 321524), (70, 275592), (80, 241143), (84, 229660), (105, 183728), (112, 172245), (120, 160762), (140, 137796), (168, 114830), (210, 91864), (240, 80381), (280, 68898), (336, 57415), (420, 45932), (560, 34449), (840, 22966), (1680, 11483)]