18882380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85829}}^1$

素因数の和:85849

約数の個数: 24

約数和(自身を含む): 43258320

約数和(自身を除く): 24375940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85829, 171658, 343316, 429145, 858290, 944119, 1716580, 1888238, 3776476, 4720595, 9441190, 18882380]

約数ペア:

[(1, 18882380), (2, 9441190), (4, 4720595), (5, 3776476), (10, 1888238), (11, 1716580), (20, 944119), (22, 858290), (44, 429145), (55, 343316), (110, 171658), (220, 85829)]