19536440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6343}}^1$

素因数の和:6372

約数の個数: 64

約数和(自身を含む): 54812160

約数和(自身を除く): 35275720

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, 6343, 12686, 25372, 31715, 44401, 50744, 63430, 69773, 88802, 126860, 139546, 177604, 222005, 253720, 279092, 348865, 355208, 444010, 488411, 558184, 697730, 888020, 976822, 1395460, 1776040, 1953644, 2442055, 2790920, 3907288, 4884110, 9768220, 19536440]

約数ペア:

[(1, 19536440), (2, 9768220), (4, 4884110), (5, 3907288), (7, 2790920), (8, 2442055), (10, 1953644), (11, 1776040), (14, 1395460), (20, 976822), (22, 888020), (28, 697730), (35, 558184), (40, 488411), (44, 444010), (55, 355208), (56, 348865), (70, 279092), (77, 253720), (88, 222005), (110, 177604), (140, 139546), (154, 126860), (220, 88802), (280, 69773), (308, 63430), (385, 50744), (440, 44401), (616, 31715), (770, 25372), (1540, 12686), (3080, 6343)]