18379576

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 37227960

約数和(自身を除く): 18848384

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 101, 172, 184, 202, 344, 404, 529, 808, 989, 1058, 1978, 2116, 2323, 3956, 4232, 4343, 4646, 7912, 8686, 9292, 17372, 18584, 22747, 34744, 45494, 53429, 90988, 99889, 106858, 181976, 199778, 213716, 399556, 427432, 799112, 2297447, 4594894, 9189788, 18379576]

約数ペア:

[(1, 18379576), (2, 9189788), (4, 4594894), (8, 2297447), (23, 799112), (43, 427432), (46, 399556), (86, 213716), (92, 199778), (101, 181976), (172, 106858), (184, 99889), (202, 90988), (344, 53429), (404, 45494), (529, 34744), (808, 22747), (989, 18584), (1058, 17372), (1978, 9292), (2116, 8686), (2323, 7912), (3956, 4646), (4232, 4343)]