19857033

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 35268480

約数和(自身を除く): 15411447

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 159, 171, 313, 371, 399, 477, 939, 1007, 1113, 1197, 2191, 2817, 3021, 3339, 5947, 6573, 7049, 9063, 16589, 17841, 19719, 21147, 41629, 49767, 53523, 63441, 116123, 124887, 149301, 315191, 348369, 374661, 945573, 1045107, 2206337, 2836719, 6619011, 19857033]

約数ペア:

[(1, 19857033), (3, 6619011), (7, 2836719), (9, 2206337), (19, 1045107), (21, 945573), (53, 374661), (57, 348369), (63, 315191), (133, 149301), (159, 124887), (171, 116123), (313, 63441), (371, 53523), (399, 49767), (477, 41629), (939, 21147), (1007, 19719), (1113, 17841), (1197, 16589), (2191, 9063), (2817, 7049), (3021, 6573), (3339, 5947)]