18312784

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7109}}^1$

素因数の和:7147

約数の個数: 40

約数和(自身を含む): 42318720

約数和(自身を除く): 24005936

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7109, 14218, 28436, 49763, 56872, 99526, 113744, 163507, 199052, 327014, 398104, 654028, 796208, 1144549, 1308056, 2289098, 2616112, 4578196, 9156392, 18312784]

約数ペア:

[(1, 18312784), (2, 9156392), (4, 4578196), (7, 2616112), (8, 2289098), (14, 1308056), (16, 1144549), (23, 796208), (28, 654028), (46, 398104), (56, 327014), (92, 199052), (112, 163507), (161, 113744), (184, 99526), (322, 56872), (368, 49763), (644, 28436), (1288, 14218), (2576, 7109)]