18324040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9349}}^1$

素因数の和:9374

約数の個数: 48

約数和(自身を含む): 47965500

約数和(自身を除く): 29641460

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, 9349, 18698, 37396, 46745, 65443, 74792, 93490, 130886, 186980, 261772, 327215, 373960, 458101, 523544, 654430, 916202, 1308860, 1832404, 2290505, 2617720, 3664808, 4581010, 9162020, 18324040]

約数ペア:

[(1, 18324040), (2, 9162020), (4, 4581010), (5, 3664808), (7, 2617720), (8, 2290505), (10, 1832404), (14, 1308860), (20, 916202), (28, 654430), (35, 523544), (40, 458101), (49, 373960), (56, 327215), (70, 261772), (98, 186980), (140, 130886), (196, 93490), (245, 74792), (280, 65443), (392, 46745), (490, 37396), (980, 18698), (1960, 9349)]