19493320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6329}}^1$

素因数の和:6358

約数の個数: 64

約数和(自身を含む): 54691200

約数和(自身を除く): 35197880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6329, 12658, 25316, 31645, 44303, 50632, 63290, 69619, 88606, 126580, 139238, 177212, 221515, 253160, 278476, 348095, 354424, 443030, 487333, 556952, 696190, 886060, 974666, 1392380, 1772120, 1949332, 2436665, 2784760, 3898664, 4873330, 9746660, 19493320]

約数ペア:

[(1, 19493320), (2, 9746660), (4, 4873330), (5, 3898664), (7, 2784760), (8, 2436665), (10, 1949332), (11, 1772120), (14, 1392380), (20, 974666), (22, 886060), (28, 696190), (35, 556952), (40, 487333), (44, 443030), (55, 354424), (56, 348095), (70, 278476), (77, 253160), (88, 221515), (110, 177212), (140, 139238), (154, 126580), (220, 88606), (280, 69619), (308, 63290), (385, 50632), (440, 44303), (616, 31645), (770, 25316), (1540, 12658), (3080, 6329)]