18628360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 44697600

約数和(自身を除く): 26069240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 193, 254, 380, 386, 508, 635, 760, 772, 965, 1016, 1270, 1544, 1930, 2413, 2540, 3667, 3860, 4826, 5080, 7334, 7720, 9652, 12065, 14668, 18335, 19304, 24130, 24511, 29336, 36670, 48260, 49022, 73340, 96520, 98044, 122555, 146680, 196088, 245110, 465709, 490220, 931418, 980440, 1862836, 2328545, 3725672, 4657090, 9314180, 18628360]

約数ペア:

[(1, 18628360), (2, 9314180), (4, 4657090), (5, 3725672), (8, 2328545), (10, 1862836), (19, 980440), (20, 931418), (38, 490220), (40, 465709), (76, 245110), (95, 196088), (127, 146680), (152, 122555), (190, 98044), (193, 96520), (254, 73340), (380, 49022), (386, 48260), (508, 36670), (635, 29336), (760, 24511), (772, 24130), (965, 19304), (1016, 18335), (1270, 14668), (1544, 12065), (1930, 9652), (2413, 7720), (2540, 7334), (3667, 5080), (3860, 4826)]