18238364

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 32997888

約数和(自身を除く): 14759524

約数列:

[1, 2, 4, 43, 86, 107, 172, 214, 428, 991, 1982, 3964, 4601, 9202, 18404, 42613, 85226, 106037, 170452, 212074, 424148, 4559591, 9119182, 18238364]

約数ペア:

[(1, 18238364), (2, 9119182), (4, 4559591), (43, 424148), (86, 212074), (107, 170452), (172, 106037), (214, 85226), (428, 42613), (991, 18404), (1982, 9202), (3964, 4601)]