19612642

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 36279360

約数和(自身を除く): 16666718

約数列:

[1, 2, 7, 14, 29, 49, 58, 67, 98, 103, 134, 203, 206, 406, 469, 721, 938, 1421, 1442, 1943, 2842, 2987, 3283, 3886, 5047, 5974, 6566, 6901, 10094, 13601, 13802, 20909, 27202, 41818, 48307, 95207, 96614, 146363, 190414, 200129, 292726, 338149, 400258, 676298, 1400903, 2801806, 9806321, 19612642]

約数ペア:

[(1, 19612642), (2, 9806321), (7, 2801806), (14, 1400903), (29, 676298), (49, 400258), (58, 338149), (67, 292726), (98, 200129), (103, 190414), (134, 146363), (203, 96614), (206, 95207), (406, 48307), (469, 41818), (721, 27202), (938, 20909), (1421, 13802), (1442, 13601), (1943, 10094), (2842, 6901), (2987, 6566), (3283, 5974), (3886, 5047)]