18051957

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 35174400

約数和(自身を除く): 17122443

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 457, 513, 627, 693, 1197, 1371, 1463, 1881, 2079, 3199, 3591, 4113, 4389, 5027, 5643, 8683, 9597, 12339, 13167, 15081, 26049, 28791, 35189, 39501, 45243, 60781, 78147, 86373, 95513, 105567, 135729, 182343, 234441, 286539, 316701, 547029, 668591, 859617, 950103, 1641087, 2005773, 2578851, 6017319, 18051957]

約数ペア:

[(1, 18051957), (3, 6017319), (7, 2578851), (9, 2005773), (11, 1641087), (19, 950103), (21, 859617), (27, 668591), (33, 547029), (57, 316701), (63, 286539), (77, 234441), (99, 182343), (133, 135729), (171, 105567), (189, 95513), (209, 86373), (231, 78147), (297, 60781), (399, 45243), (457, 39501), (513, 35189), (627, 28791), (693, 26049), (1197, 15081), (1371, 13167), (1463, 12339), (1881, 9597), (2079, 8683), (3199, 5643), (3591, 5027), (4113, 4389)]