19496750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 44972928

約数和(自身を除く): 25476178

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 250, 325, 350, 455, 650, 857, 875, 910, 1625, 1714, 1750, 2275, 3250, 4285, 4550, 5999, 8570, 11141, 11375, 11998, 21425, 22282, 22750, 29995, 42850, 55705, 59990, 77987, 107125, 111410, 149975, 155974, 214250, 278525, 299950, 389935, 557050, 749875, 779870, 1392625, 1499750, 1949675, 2785250, 3899350, 9748375, 19496750]

約数ペア:

[(1, 19496750), (2, 9748375), (5, 3899350), (7, 2785250), (10, 1949675), (13, 1499750), (14, 1392625), (25, 779870), (26, 749875), (35, 557050), (50, 389935), (65, 299950), (70, 278525), (91, 214250), (125, 155974), (130, 149975), (175, 111410), (182, 107125), (250, 77987), (325, 59990), (350, 55705), (455, 42850), (650, 29995), (857, 22750), (875, 22282), (910, 21425), (1625, 11998), (1714, 11375), (1750, 11141), (2275, 8570), (3250, 5999), (4285, 4550)]