19288204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 38031840

約数和(自身を除く): 18743636

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 83, 109, 164, 166, 218, 332, 436, 533, 1066, 1079, 1417, 2132, 2158, 2834, 3403, 4316, 4469, 5668, 6806, 8938, 9047, 13612, 17876, 18094, 36188, 44239, 58097, 88478, 116194, 117611, 176956, 232388, 235222, 370927, 470444, 741854, 1483708, 4822051, 9644102, 19288204]

約数ペア:

[(1, 19288204), (2, 9644102), (4, 4822051), (13, 1483708), (26, 741854), (41, 470444), (52, 370927), (82, 235222), (83, 232388), (109, 176956), (164, 117611), (166, 116194), (218, 88478), (332, 58097), (436, 44239), (533, 36188), (1066, 18094), (1079, 17876), (1417, 13612), (2132, 9047), (2158, 8938), (2834, 6806), (3403, 5668), (4316, 4469)]