18231213

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{467}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 32887296

約数和(自身を除く): 14656083

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 169, 231, 273, 429, 467, 507, 1001, 1183, 1401, 1859, 3003, 3269, 3549, 5137, 5577, 6071, 9807, 13013, 15411, 18213, 35959, 39039, 42497, 66781, 78923, 107877, 127491, 200343, 236769, 467467, 552461, 868153, 1402401, 1657383, 2604459, 6077071, 18231213]

約数ペア:

[(1, 18231213), (3, 6077071), (7, 2604459), (11, 1657383), (13, 1402401), (21, 868153), (33, 552461), (39, 467467), (77, 236769), (91, 200343), (143, 127491), (169, 107877), (231, 78923), (273, 66781), (429, 42497), (467, 39039), (507, 35959), (1001, 18213), (1183, 15411), (1401, 13013), (1859, 9807), (3003, 6071), (3269, 5577), (3549, 5137)]