19717320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23473}}^1$

素因数の和:23494

約数の個数: 64

約数和(自身を含む): 67605120

約数和(自身を除く): 47887800

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, 23473, 46946, 70419, 93892, 117365, 140838, 164311, 187784, 234730, 281676, 328622, 352095, 469460, 492933, 563352, 657244, 704190, 821555, 938920, 985866, 1314488, 1408380, 1643110, 1971732, 2464665, 2816760, 3286220, 3943464, 4929330, 6572440, 9858660, 19717320]

約数ペア:

[(1, 19717320), (2, 9858660), (3, 6572440), (4, 4929330), (5, 3943464), (6, 3286220), (7, 2816760), (8, 2464665), (10, 1971732), (12, 1643110), (14, 1408380), (15, 1314488), (20, 985866), (21, 938920), (24, 821555), (28, 704190), (30, 657244), (35, 563352), (40, 492933), (42, 469460), (56, 352095), (60, 328622), (70, 281676), (84, 234730), (105, 187784), (120, 164311), (140, 140838), (168, 117365), (210, 93892), (280, 70419), (420, 46946), (840, 23473)]