18856816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5639}}^1$

素因数の和:5677

約数の個数: 40

約数和(自身を含む): 41961600

約数和(自身を除く): 23104784

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5639, 11278, 22556, 45112, 62029, 90224, 107141, 124058, 214282, 248116, 428564, 496232, 857128, 992464, 1178551, 1714256, 2357102, 4714204, 9428408, 18856816]

約数ペア:

[(1, 18856816), (2, 9428408), (4, 4714204), (8, 2357102), (11, 1714256), (16, 1178551), (19, 992464), (22, 857128), (38, 496232), (44, 428564), (76, 248116), (88, 214282), (152, 124058), (176, 107141), (209, 90224), (304, 62029), (418, 45112), (836, 22556), (1672, 11278), (3344, 5639)]