19156328

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 17909272

約数列:

[1, 2, 4, 8, 43, 86, 172, 233, 239, 344, 466, 478, 932, 956, 1864, 1912, 10019, 10277, 20038, 20554, 40076, 41108, 55687, 80152, 82216, 111374, 222748, 445496, 2394541, 4789082, 9578164, 19156328]

約数ペア:

[(1, 19156328), (2, 9578164), (4, 4789082), (8, 2394541), (43, 445496), (86, 222748), (172, 111374), (233, 82216), (239, 80152), (344, 55687), (466, 41108), (478, 40076), (932, 20554), (956, 20038), (1864, 10277), (1912, 10019)]