18315752

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 42806400

約数和(自身を除く): 24490648

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 139, 181, 182, 278, 362, 364, 556, 724, 728, 973, 1112, 1267, 1448, 1807, 1946, 2353, 2534, 3614, 3892, 4706, 5068, 7228, 7784, 9412, 10136, 12649, 14456, 16471, 18824, 25159, 25298, 32942, 50318, 50596, 65884, 100636, 101192, 131768, 176113, 201272, 327067, 352226, 654134, 704452, 1308268, 1408904, 2289469, 2616536, 4578938, 9157876, 18315752]

約数ペア:

[(1, 18315752), (2, 9157876), (4, 4578938), (7, 2616536), (8, 2289469), (13, 1408904), (14, 1308268), (26, 704452), (28, 654134), (52, 352226), (56, 327067), (91, 201272), (104, 176113), (139, 131768), (181, 101192), (182, 100636), (278, 65884), (362, 50596), (364, 50318), (556, 32942), (724, 25298), (728, 25159), (973, 18824), (1112, 16471), (1267, 14456), (1448, 12649), (1807, 10136), (1946, 9412), (2353, 7784), (2534, 7228), (3614, 5068), (3892, 4706)]