18019166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 13084834

約数列:

[1, 2, 11, 22, 23, 46, 149, 239, 253, 298, 478, 506, 1639, 2629, 3278, 3427, 5258, 5497, 6854, 10994, 35611, 37697, 60467, 71222, 75394, 120934, 391721, 783442, 819053, 1638106, 9009583, 18019166]

約数ペア:

[(1, 18019166), (2, 9009583), (11, 1638106), (22, 819053), (23, 783442), (46, 391721), (149, 120934), (239, 75394), (253, 71222), (298, 60467), (478, 37697), (506, 35611), (1639, 10994), (2629, 6854), (3278, 5497), (3427, 5258)]