18084440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1832

約数の個数: 64

約数和(自身を含む): 46344960

約数和(自身を除く): 28260520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1787, 2024, 2530, 3574, 5060, 7148, 8935, 10120, 14296, 17870, 19657, 35740, 39314, 41101, 71480, 78628, 82202, 98285, 157256, 164404, 196570, 205505, 328808, 393140, 411010, 452111, 786280, 822020, 904222, 1644040, 1808444, 2260555, 3616888, 4521110, 9042220, 18084440]

約数ペア:

[(1, 18084440), (2, 9042220), (4, 4521110), (5, 3616888), (8, 2260555), (10, 1808444), (11, 1644040), (20, 904222), (22, 822020), (23, 786280), (40, 452111), (44, 411010), (46, 393140), (55, 328808), (88, 205505), (92, 196570), (110, 164404), (115, 157256), (184, 98285), (220, 82202), (230, 78628), (253, 71480), (440, 41101), (460, 39314), (506, 35740), (920, 19657), (1012, 17870), (1265, 14296), (1787, 10120), (2024, 8935), (2530, 7148), (3574, 5060)]