18615212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3181}}^1$

素因数の和:3222

約数の個数: 48

約数和(自身を含む): 42766080

約数和(自身を除く): 24150868

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3181, 5852, 6362, 12724, 22267, 34991, 44534, 60439, 69982, 89068, 120878, 139964, 241756, 244937, 423073, 489874, 664829, 846146, 979748, 1329658, 1692292, 2659316, 4653803, 9307606, 18615212]

約数ペア:

[(1, 18615212), (2, 9307606), (4, 4653803), (7, 2659316), (11, 1692292), (14, 1329658), (19, 979748), (22, 846146), (28, 664829), (38, 489874), (44, 423073), (76, 244937), (77, 241756), (133, 139964), (154, 120878), (209, 89068), (266, 69982), (308, 60439), (418, 44534), (532, 34991), (836, 22267), (1463, 12724), (2926, 6362), (3181, 5852)]