18804368

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{883}}^1$

素因数の和:924

約数の個数: 40

約数和(自身を含む): 40119456

約数和(自身を除く): 21315088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 883, 968, 1331, 1766, 1936, 2662, 3532, 5324, 7064, 9713, 10648, 14128, 19426, 21296, 38852, 77704, 106843, 155408, 213686, 427372, 854744, 1175273, 1709488, 2350546, 4701092, 9402184, 18804368]

約数ペア:

[(1, 18804368), (2, 9402184), (4, 4701092), (8, 2350546), (11, 1709488), (16, 1175273), (22, 854744), (44, 427372), (88, 213686), (121, 155408), (176, 106843), (242, 77704), (484, 38852), (883, 21296), (968, 19426), (1331, 14128), (1766, 10648), (1936, 9713), (2662, 7064), (3532, 5324)]