2018133740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{161969}}^1$

素因数の和:162074

約数の個数: 48

約数和(自身を含む): 4897972800

約数和(自身を除く): 2879839060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 161969, 323938, 647876, 809845, 1133783, 1619690, 2267566, 3239380, 4535132, 5668915, 11337830, 14415241, 22675660, 28830482, 57660964, 72076205, 100906687, 144152410, 201813374, 288304820, 403626748, 504533435, 1009066870, 2018133740]

約数ペア:

[(1, 2018133740), (2, 1009066870), (4, 504533435), (5, 403626748), (7, 288304820), (10, 201813374), (14, 144152410), (20, 100906687), (28, 72076205), (35, 57660964), (70, 28830482), (89, 22675660), (140, 14415241), (178, 11337830), (356, 5668915), (445, 4535132), (623, 3239380), (890, 2267566), (1246, 1619690), (1780, 1133783), (2492, 809845), (3115, 647876), (6230, 323938), (12460, 161969)]