19857933904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1389833}}^1$

素因数の和:1389907

約数の個数: 40

約数和(自身を含む): 41361459840

約数和(自身を除く): 21503525936

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 7144, 14288, 1389833, 2779666, 5559332, 11118664, 22237328, 26406827, 52813654, 65322151, 105627308, 130644302, 211254616, 261288604, 422509232, 522577208, 1045154416, 1241120869, 2482241738, 4964483476, 9928966952, 19857933904]

約数ペア:

[(1, 19857933904), (2, 9928966952), (4, 4964483476), (8, 2482241738), (16, 1241120869), (19, 1045154416), (38, 522577208), (47, 422509232), (76, 261288604), (94, 211254616), (152, 130644302), (188, 105627308), (304, 65322151), (376, 52813654), (752, 26406827), (893, 22237328), (1786, 11118664), (3572, 5559332), (7144, 2779666), (14288, 1389833)]