18879146

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 35593992

約数和(自身を除く): 16714846

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 121, 143, 187, 221, 242, 286, 353, 374, 442, 706, 1573, 2057, 2431, 3146, 3883, 4114, 4589, 4862, 6001, 7766, 9178, 12002, 26741, 42713, 50479, 53482, 66011, 78013, 85426, 100958, 132022, 156026, 555269, 726121, 858143, 1110538, 1452242, 1716286, 9439573, 18879146]

約数ペア:

[(1, 18879146), (2, 9439573), (11, 1716286), (13, 1452242), (17, 1110538), (22, 858143), (26, 726121), (34, 555269), (121, 156026), (143, 132022), (187, 100958), (221, 85426), (242, 78013), (286, 66011), (353, 53482), (374, 50479), (442, 42713), (706, 26741), (1573, 12002), (2057, 9178), (2431, 7766), (3146, 6001), (3883, 4862), (4114, 4589)]