18335372

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:950

約数の個数: 36

約数和(自身を含む): 36130248

約数和(自身を除く): 17794876

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 881, 946, 1762, 1892, 3524, 5203, 9691, 10406, 19382, 20812, 37883, 38764, 75766, 106601, 151532, 213202, 416713, 426404, 833426, 1666852, 4583843, 9167686, 18335372]

約数ペア:

[(1, 18335372), (2, 9167686), (4, 4583843), (11, 1666852), (22, 833426), (43, 426404), (44, 416713), (86, 213202), (121, 151532), (172, 106601), (242, 75766), (473, 38764), (484, 37883), (881, 20812), (946, 19382), (1762, 10406), (1892, 9691), (3524, 5203)]