19696974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 26025906

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 41, 58, 66, 82, 87, 123, 174, 246, 251, 319, 451, 502, 638, 753, 902, 957, 1189, 1353, 1506, 1914, 2378, 2706, 2761, 3567, 5522, 7134, 7279, 8283, 10291, 13079, 14558, 16566, 20582, 21837, 26158, 30873, 39237, 43674, 61746, 78474, 80069, 113201, 160138, 226402, 240207, 298439, 339603, 480414, 596878, 679206, 895317, 1790634, 3282829, 6565658, 9848487, 19696974]

約数ペア:

[(1, 19696974), (2, 9848487), (3, 6565658), (6, 3282829), (11, 1790634), (22, 895317), (29, 679206), (33, 596878), (41, 480414), (58, 339603), (66, 298439), (82, 240207), (87, 226402), (123, 160138), (174, 113201), (246, 80069), (251, 78474), (319, 61746), (451, 43674), (502, 39237), (638, 30873), (753, 26158), (902, 21837), (957, 20582), (1189, 16566), (1353, 14558), (1506, 13079), (1914, 10291), (2378, 8283), (2706, 7279), (2761, 7134), (3567, 5522)]