201912974768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15446219}}^1$

素因数の和:15446289

約数の個数: 40

約数和(自身を含む): 421372881600

約数和(自身を除く): 219459906832

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 15446219, 30892438, 61784876, 123569752, 247139504, 293478161, 586956322, 664187417, 1173912644, 1328374834, 2347825288, 2656749668, 4695650576, 5313499336, 10626998672, 12619560923, 25239121846, 50478243692, 100956487384, 201912974768]

約数ペア:

[(1, 201912974768), (2, 100956487384), (4, 50478243692), (8, 25239121846), (16, 12619560923), (19, 10626998672), (38, 5313499336), (43, 4695650576), (76, 2656749668), (86, 2347825288), (152, 1328374834), (172, 1173912644), (304, 664187417), (344, 586956322), (688, 293478161), (817, 247139504), (1634, 123569752), (3268, 61784876), (6536, 30892438), (13072, 15446219)]