18712476

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7321}}^1$

素因数の和:7402

約数の個数: 36

約数和(自身を含む): 47973744

約数和(自身を除く): 29261268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7321, 14642, 21963, 29284, 43926, 65889, 87852, 131778, 263556, 519791, 1039582, 1559373, 2079164, 3118746, 4678119, 6237492, 9356238, 18712476]

約数ペア:

[(1, 18712476), (2, 9356238), (3, 6237492), (4, 4678119), (6, 3118746), (9, 2079164), (12, 1559373), (18, 1039582), (36, 519791), (71, 263556), (142, 131778), (213, 87852), (284, 65889), (426, 43926), (639, 29284), (852, 21963), (1278, 14642), (2556, 7321)]