19885745344

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{128767}}^1$

素因数の和:128925

約数の個数: 56

約数和(自身を含む): 41865052160

約数和(自身を除く): 21979306816

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 152, 254, 304, 508, 608, 1016, 1216, 2032, 2413, 4064, 4826, 8128, 9652, 19304, 38608, 77216, 128767, 154432, 257534, 515068, 1030136, 2060272, 2446573, 4120544, 4893146, 8241088, 9786292, 16353409, 19572584, 32706818, 39145168, 65413636, 78290336, 130827272, 156580672, 261654544, 310714771, 523309088, 621429542, 1046618176, 1242859084, 2485718168, 4971436336, 9942872672, 19885745344]

約数ペア:

[(1, 19885745344), (2, 9942872672), (4, 4971436336), (8, 2485718168), (16, 1242859084), (19, 1046618176), (32, 621429542), (38, 523309088), (64, 310714771), (76, 261654544), (127, 156580672), (152, 130827272), (254, 78290336), (304, 65413636), (508, 39145168), (608, 32706818), (1016, 19572584), (1216, 16353409), (2032, 9786292), (2413, 8241088), (4064, 4893146), (4826, 4120544), (8128, 2446573), (9652, 2060272), (19304, 1030136), (38608, 515068), (77216, 257534), (128767, 154432)]