18755286

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24790314

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 41, 58, 66, 82, 87, 123, 174, 239, 246, 319, 451, 478, 638, 717, 902, 957, 1189, 1353, 1434, 1914, 2378, 2629, 2706, 3567, 5258, 6931, 7134, 7887, 9799, 13079, 13862, 15774, 19598, 20793, 26158, 29397, 39237, 41586, 58794, 76241, 78474, 107789, 152482, 215578, 228723, 284171, 323367, 457446, 568342, 646734, 852513, 1705026, 3125881, 6251762, 9377643, 18755286]

約数ペア:

[(1, 18755286), (2, 9377643), (3, 6251762), (6, 3125881), (11, 1705026), (22, 852513), (29, 646734), (33, 568342), (41, 457446), (58, 323367), (66, 284171), (82, 228723), (87, 215578), (123, 152482), (174, 107789), (239, 78474), (246, 76241), (319, 58794), (451, 41586), (478, 39237), (638, 29397), (717, 26158), (902, 20793), (957, 19598), (1189, 15774), (1353, 13862), (1434, 13079), (1914, 9799), (2378, 7887), (2629, 7134), (2706, 6931), (3567, 5258)]