18854770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{947}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 37267776

約数和(自身を除く): 18413006

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 947, 1810, 1894, 1991, 3982, 4735, 9470, 9955, 10417, 19910, 20834, 52085, 104170, 171407, 342814, 857035, 1714070, 1885477, 3770954, 9427385, 18854770]

約数ペア:

[(1, 18854770), (2, 9427385), (5, 3770954), (10, 1885477), (11, 1714070), (22, 857035), (55, 342814), (110, 171407), (181, 104170), (362, 52085), (905, 20834), (947, 19910), (1810, 10417), (1894, 9955), (1991, 9470), (3982, 4735)]