19637968

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2617}}^1$

素因数の和:2699

約数の個数: 40

約数和(自身を含む): 44149952

約数和(自身を除く): 24511984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2617, 3752, 5234, 7504, 10468, 18319, 20936, 36638, 41872, 73276, 146552, 175339, 293104, 350678, 701356, 1227373, 1402712, 2454746, 2805424, 4909492, 9818984, 19637968]

約数ペア:

[(1, 19637968), (2, 9818984), (4, 4909492), (7, 2805424), (8, 2454746), (14, 1402712), (16, 1227373), (28, 701356), (56, 350678), (67, 293104), (112, 175339), (134, 146552), (268, 73276), (469, 41872), (536, 36638), (938, 20936), (1072, 18319), (1876, 10468), (2617, 7504), (3752, 5234)]