18126020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1753}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 42432768

約数和(自身を除く): 24306748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1753, 2068, 2585, 3506, 5170, 7012, 8765, 10340, 17530, 19283, 35060, 38566, 77132, 82391, 96415, 164782, 192830, 329564, 385660, 411955, 823910, 906301, 1647820, 1812602, 3625204, 4531505, 9063010, 18126020]

約数ペア:

[(1, 18126020), (2, 9063010), (4, 4531505), (5, 3625204), (10, 1812602), (11, 1647820), (20, 906301), (22, 823910), (44, 411955), (47, 385660), (55, 329564), (94, 192830), (110, 164782), (188, 96415), (220, 82391), (235, 77132), (470, 38566), (517, 35060), (940, 19283), (1034, 17530), (1753, 10340), (2068, 8765), (2585, 7012), (3506, 5170)]