19696440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1087}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 59535360

約数和(自身を除く): 39838920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1087, 1208, 1510, 1812, 2174, 2265, 3020, 3261, 3624, 4348, 4530, 5435, 6040, 6522, 8696, 9060, 10870, 13044, 16305, 18120, 21740, 26088, 32610, 43480, 65220, 130440, 164137, 328274, 492411, 656548, 820685, 984822, 1313096, 1641370, 1969644, 2462055, 3282740, 3939288, 4924110, 6565480, 9848220, 19696440]

約数ペア:

[(1, 19696440), (2, 9848220), (3, 6565480), (4, 4924110), (5, 3939288), (6, 3282740), (8, 2462055), (10, 1969644), (12, 1641370), (15, 1313096), (20, 984822), (24, 820685), (30, 656548), (40, 492411), (60, 328274), (120, 164137), (151, 130440), (302, 65220), (453, 43480), (604, 32610), (755, 26088), (906, 21740), (1087, 18120), (1208, 16305), (1510, 13044), (1812, 10870), (2174, 9060), (2265, 8696), (3020, 6522), (3261, 6040), (3624, 5435), (4348, 4530)]