19071680

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:681

約数の個数: 56

約数和(自身を含む): 45921168

約数和(自身を除く): 26849488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 557, 856, 1070, 1114, 1712, 2140, 2228, 2785, 3424, 4280, 4456, 5570, 6848, 8560, 8912, 11140, 17120, 17824, 22280, 34240, 35648, 44560, 59599, 89120, 119198, 178240, 238396, 297995, 476792, 595990, 953584, 1191980, 1907168, 2383960, 3814336, 4767920, 9535840, 19071680]

約数ペア:

[(1, 19071680), (2, 9535840), (4, 4767920), (5, 3814336), (8, 2383960), (10, 1907168), (16, 1191980), (20, 953584), (32, 595990), (40, 476792), (64, 297995), (80, 238396), (107, 178240), (160, 119198), (214, 89120), (320, 59599), (428, 44560), (535, 35648), (557, 34240), (856, 22280), (1070, 17824), (1114, 17120), (1712, 11140), (2140, 8912), (2228, 8560), (2785, 6848), (3424, 5570), (4280, 4456)]