18921470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 35721216

約数和(自身を除く): 16799746

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 911, 1822, 2077, 4154, 4555, 9110, 10385, 20770, 28241, 56482, 61037, 122074, 141205, 282410, 305185, 610370, 1892147, 3784294, 9460735, 18921470]

約数ペア:

[(1, 18921470), (2, 9460735), (5, 3784294), (10, 1892147), (31, 610370), (62, 305185), (67, 282410), (134, 141205), (155, 122074), (310, 61037), (335, 56482), (670, 28241), (911, 20770), (1822, 10385), (2077, 9110), (4154, 4555)]