19654460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 30664900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 47, 58, 70, 94, 103, 116, 140, 145, 188, 203, 206, 235, 290, 329, 406, 412, 470, 515, 580, 658, 721, 812, 940, 1015, 1030, 1316, 1363, 1442, 1645, 2030, 2060, 2726, 2884, 2987, 3290, 3605, 4060, 4841, 5452, 5974, 6580, 6815, 7210, 9541, 9682, 11948, 13630, 14420, 14935, 19082, 19364, 20909, 24205, 27260, 29870, 33887, 38164, 41818, 47705, 48410, 59740, 67774, 83636, 95410, 96820, 104545, 135548, 140389, 169435, 190820, 209090, 280778, 338870, 418180, 561556, 677740, 701945, 982723, 1403890, 1965446, 2807780, 3930892, 4913615, 9827230, 19654460]

約数ペア:

[(1, 19654460), (2, 9827230), (4, 4913615), (5, 3930892), (7, 2807780), (10, 1965446), (14, 1403890), (20, 982723), (28, 701945), (29, 677740), (35, 561556), (47, 418180), (58, 338870), (70, 280778), (94, 209090), (103, 190820), (116, 169435), (140, 140389), (145, 135548), (188, 104545), (203, 96820), (206, 95410), (235, 83636), (290, 67774), (329, 59740), (406, 48410), (412, 47705), (470, 41818), (515, 38164), (580, 33887), (658, 29870), (721, 27260), (812, 24205), (940, 20909), (1015, 19364), (1030, 19082), (1316, 14935), (1363, 14420), (1442, 13630), (1645, 11948), (2030, 9682), (2060, 9541), (2726, 7210), (2884, 6815), (2987, 6580), (3290, 5974), (3605, 5452), (4060, 4841)]