19703754

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{443}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 49038912

約数和(自身を除く): 29335158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 353, 443, 706, 886, 1059, 1329, 2118, 2471, 2658, 3101, 3177, 3987, 4942, 6202, 6354, 7413, 7974, 9303, 14826, 18606, 22239, 27909, 44478, 55818, 156379, 312758, 469137, 938274, 1094653, 1407411, 2189306, 2814822, 3283959, 6567918, 9851877, 19703754]

約数ペア:

[(1, 19703754), (2, 9851877), (3, 6567918), (6, 3283959), (7, 2814822), (9, 2189306), (14, 1407411), (18, 1094653), (21, 938274), (42, 469137), (63, 312758), (126, 156379), (353, 55818), (443, 44478), (706, 27909), (886, 22239), (1059, 18606), (1329, 14826), (2118, 9303), (2471, 7974), (2658, 7413), (3101, 6354), (3177, 6202), (3987, 4942)]