17977876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20729324

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 76, 94, 133, 188, 266, 329, 532, 658, 719, 893, 1316, 1438, 1786, 2876, 3572, 5033, 6251, 10066, 12502, 13661, 20132, 25004, 27322, 33793, 54644, 67586, 95627, 135172, 191254, 236551, 382508, 473102, 642067, 946204, 1284134, 2568268, 4494469, 8988938, 17977876]

約数ペア:

[(1, 17977876), (2, 8988938), (4, 4494469), (7, 2568268), (14, 1284134), (19, 946204), (28, 642067), (38, 473102), (47, 382508), (76, 236551), (94, 191254), (133, 135172), (188, 95627), (266, 67586), (329, 54644), (532, 33793), (658, 27322), (719, 25004), (893, 20132), (1316, 13661), (1438, 12502), (1786, 10066), (2876, 6251), (3572, 5033)]