19802368

素因数分解:

$2^8\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:870

約数の個数: 36

約数和(自身を含む): 39964288

約数和(自身を除く): 20161920

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 256, 412, 751, 824, 1502, 1648, 3004, 3296, 6008, 6592, 12016, 13184, 24032, 26368, 48064, 77353, 96128, 154706, 192256, 309412, 618824, 1237648, 2475296, 4950592, 9901184, 19802368]

約数ペア:

[(1, 19802368), (2, 9901184), (4, 4950592), (8, 2475296), (16, 1237648), (32, 618824), (64, 309412), (103, 192256), (128, 154706), (206, 96128), (256, 77353), (412, 48064), (751, 26368), (824, 24032), (1502, 13184), (1648, 12016), (3004, 6592), (3296, 6008)]