20181238

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 39012624

約数和(自身を除く): 18831386

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 97, 98, 154, 193, 194, 386, 539, 679, 1067, 1078, 1351, 1358, 2123, 2134, 2702, 4246, 4753, 7469, 9457, 9506, 14861, 14938, 18721, 18914, 29722, 37442, 52283, 104027, 104566, 131047, 205931, 208054, 262094, 411862, 917329, 1441517, 1834658, 2883034, 10090619, 20181238]

約数ペア:

[(1, 20181238), (2, 10090619), (7, 2883034), (11, 1834658), (14, 1441517), (22, 917329), (49, 411862), (77, 262094), (97, 208054), (98, 205931), (154, 131047), (193, 104566), (194, 104027), (386, 52283), (539, 37442), (679, 29722), (1067, 18914), (1078, 18721), (1351, 14938), (1358, 14861), (2123, 9506), (2134, 9457), (2702, 7469), (4246, 4753)]