19837000

素因数分解:

$2^3\times 5^3\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27337400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 125, 166, 200, 239, 250, 332, 415, 478, 500, 664, 830, 956, 1000, 1195, 1660, 1912, 2075, 2390, 3320, 4150, 4780, 5975, 8300, 9560, 10375, 11950, 16600, 19837, 20750, 23900, 29875, 39674, 41500, 47800, 59750, 79348, 83000, 99185, 119500, 158696, 198370, 239000, 396740, 495925, 793480, 991850, 1983700, 2479625, 3967400, 4959250, 9918500, 19837000]

約数ペア:

[(1, 19837000), (2, 9918500), (4, 4959250), (5, 3967400), (8, 2479625), (10, 1983700), (20, 991850), (25, 793480), (40, 495925), (50, 396740), (83, 239000), (100, 198370), (125, 158696), (166, 119500), (200, 99185), (239, 83000), (250, 79348), (332, 59750), (415, 47800), (478, 41500), (500, 39674), (664, 29875), (830, 23900), (956, 20750), (1000, 19837), (1195, 16600), (1660, 11950), (1912, 10375), (2075, 9560), (2390, 8300), (3320, 5975), (4150, 4780)]