19661312

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3491}}^1$

素因数の和:3520

約数の個数: 40

約数和(自身を含む): 42867792

約数和(自身を除く): 23206480

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3491, 5632, 6982, 13964, 27928, 38401, 55856, 76802, 111712, 153604, 223424, 307208, 446848, 614416, 893696, 1228832, 1787392, 2457664, 4915328, 9830656, 19661312]

約数ペア:

[(1, 19661312), (2, 9830656), (4, 4915328), (8, 2457664), (11, 1787392), (16, 1228832), (22, 893696), (32, 614416), (44, 446848), (64, 307208), (88, 223424), (128, 153604), (176, 111712), (256, 76802), (352, 55856), (512, 38401), (704, 27928), (1408, 13964), (2816, 6982), (3491, 5632)]