19021000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 46500480

約数和(自身を除く): 27479480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 827, 920, 1000, 1150, 1654, 2300, 2875, 3308, 4135, 4600, 5750, 6616, 8270, 11500, 16540, 19021, 20675, 23000, 33080, 38042, 41350, 76084, 82700, 95105, 103375, 152168, 165400, 190210, 206750, 380420, 413500, 475525, 760840, 827000, 951050, 1902100, 2377625, 3804200, 4755250, 9510500, 19021000]

約数ペア:

[(1, 19021000), (2, 9510500), (4, 4755250), (5, 3804200), (8, 2377625), (10, 1902100), (20, 951050), (23, 827000), (25, 760840), (40, 475525), (46, 413500), (50, 380420), (92, 206750), (100, 190210), (115, 165400), (125, 152168), (184, 103375), (200, 95105), (230, 82700), (250, 76084), (460, 41350), (500, 38042), (575, 33080), (827, 23000), (920, 20675), (1000, 19021), (1150, 16540), (1654, 11500), (2300, 8270), (2875, 6616), (3308, 5750), (4135, 4600)]