19176520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 29086520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1063, 1640, 1804, 2126, 2255, 3608, 4252, 4510, 5315, 8504, 9020, 10630, 11693, 18040, 21260, 23386, 42520, 43583, 46772, 58465, 87166, 93544, 116930, 174332, 217915, 233860, 348664, 435830, 467720, 479413, 871660, 958826, 1743320, 1917652, 2397065, 3835304, 4794130, 9588260, 19176520]

約数ペア:

[(1, 19176520), (2, 9588260), (4, 4794130), (5, 3835304), (8, 2397065), (10, 1917652), (11, 1743320), (20, 958826), (22, 871660), (40, 479413), (41, 467720), (44, 435830), (55, 348664), (82, 233860), (88, 217915), (110, 174332), (164, 116930), (205, 93544), (220, 87166), (328, 58465), (410, 46772), (440, 43583), (451, 42520), (820, 23386), (902, 21260), (1063, 18040), (1640, 11693), (1804, 10630), (2126, 9020), (2255, 8504), (3608, 5315), (4252, 4510)]