19794944

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1487}}^1$

素因数の和:1520

約数の個数: 44

約数和(自身を含む): 42643104

約数和(自身を除く): 22848160

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1487, 1664, 2974, 3328, 5948, 6656, 11896, 13312, 19331, 23792, 38662, 47584, 77324, 95168, 154648, 190336, 309296, 380672, 618592, 761344, 1237184, 1522688, 2474368, 4948736, 9897472, 19794944]

約数ペア:

[(1, 19794944), (2, 9897472), (4, 4948736), (8, 2474368), (13, 1522688), (16, 1237184), (26, 761344), (32, 618592), (52, 380672), (64, 309296), (104, 190336), (128, 154648), (208, 95168), (256, 77324), (416, 47584), (512, 38662), (832, 23792), (1024, 19331), (1487, 13312), (1664, 11896), (2974, 6656), (3328, 5948)]