18888936760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{89657}}^1$

素因数の和:89920

約数の個数: 64

約数和(自身を含む): 44542094400

約数和(自身を除く): 25653157640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 229, 230, 458, 460, 916, 920, 1145, 1832, 2290, 4580, 5267, 9160, 10534, 21068, 26335, 42136, 52670, 89657, 105340, 179314, 210680, 358628, 448285, 717256, 896570, 1793140, 2062111, 3586280, 4124222, 8248444, 10310555, 16496888, 20531453, 20621110, 41062906, 41242220, 82125812, 82484440, 102657265, 164251624, 205314530, 410629060, 472223419, 821258120, 944446838, 1888893676, 2361117095, 3777787352, 4722234190, 9444468380, 18888936760]

約数ペア:

[(1, 18888936760), (2, 9444468380), (4, 4722234190), (5, 3777787352), (8, 2361117095), (10, 1888893676), (20, 944446838), (23, 821258120), (40, 472223419), (46, 410629060), (92, 205314530), (115, 164251624), (184, 102657265), (229, 82484440), (230, 82125812), (458, 41242220), (460, 41062906), (916, 20621110), (920, 20531453), (1145, 16496888), (1832, 10310555), (2290, 8248444), (4580, 4124222), (5267, 3586280), (9160, 2062111), (10534, 1793140), (21068, 896570), (26335, 717256), (42136, 448285), (52670, 358628), (89657, 210680), (105340, 179314)]