19058840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 44595360

約数和(自身を除く): 25536520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 107, 122, 146, 214, 244, 292, 305, 365, 428, 488, 535, 584, 610, 730, 856, 1070, 1220, 1460, 2140, 2440, 2920, 4280, 4453, 6527, 7811, 8906, 13054, 15622, 17812, 22265, 26108, 31244, 32635, 35624, 39055, 44530, 52216, 62488, 65270, 78110, 89060, 130540, 156220, 178120, 261080, 312440, 476471, 952942, 1905884, 2382355, 3811768, 4764710, 9529420, 19058840]

約数ペア:

[(1, 19058840), (2, 9529420), (4, 4764710), (5, 3811768), (8, 2382355), (10, 1905884), (20, 952942), (40, 476471), (61, 312440), (73, 261080), (107, 178120), (122, 156220), (146, 130540), (214, 89060), (244, 78110), (292, 65270), (305, 62488), (365, 52216), (428, 44530), (488, 39055), (535, 35624), (584, 32635), (610, 31244), (730, 26108), (856, 22265), (1070, 17812), (1220, 15622), (1460, 13054), (2140, 8906), (2440, 7811), (2920, 6527), (4280, 4453)]