18908428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5581}}^1$

素因数の和:5614

約数の個数: 36

約数和(自身を含む): 41574736

約数和(自身を除く): 22666308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5581, 11162, 22324, 39067, 61391, 78134, 122782, 156268, 245564, 429737, 675301, 859474, 1350602, 1718948, 2701204, 4727107, 9454214, 18908428]

約数ペア:

[(1, 18908428), (2, 9454214), (4, 4727107), (7, 2701204), (11, 1718948), (14, 1350602), (22, 859474), (28, 675301), (44, 429737), (77, 245564), (121, 156268), (154, 122782), (242, 78134), (308, 61391), (484, 39067), (847, 22324), (1694, 11162), (3388, 5581)]