18312280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9343}}^1$

素因数の和:9368

約数の個数: 48

約数和(自身を含む): 47934720

約数和(自身を除く): 29622440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9343, 18686, 37372, 46715, 65401, 74744, 93430, 130802, 186860, 261604, 327005, 373720, 457807, 523208, 654010, 915614, 1308020, 1831228, 2289035, 2616040, 3662456, 4578070, 9156140, 18312280]

約数ペア:

[(1, 18312280), (2, 9156140), (4, 4578070), (5, 3662456), (7, 2616040), (8, 2289035), (10, 1831228), (14, 1308020), (20, 915614), (28, 654010), (35, 523208), (40, 457807), (49, 373720), (56, 327005), (70, 261604), (98, 186860), (140, 130802), (196, 93430), (245, 74744), (280, 65401), (392, 46715), (490, 37372), (980, 18686), (1960, 9343)]