19090953

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 34070400

約数和(自身を除く): 14979447

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 369, 389, 399, 779, 861, 1167, 1197, 2337, 2583, 2723, 3501, 5453, 7011, 7391, 8169, 15949, 16359, 22173, 24507, 47847, 49077, 51737, 66519, 111643, 143541, 155211, 303031, 334929, 465633, 909093, 1004787, 2121217, 2727279, 6363651, 19090953]

約数ペア:

[(1, 19090953), (3, 6363651), (7, 2727279), (9, 2121217), (19, 1004787), (21, 909093), (41, 465633), (57, 334929), (63, 303031), (123, 155211), (133, 143541), (171, 111643), (287, 66519), (369, 51737), (389, 49077), (399, 47847), (779, 24507), (861, 22173), (1167, 16359), (1197, 15949), (2337, 8169), (2583, 7391), (2723, 7011), (3501, 5453)]