19223128

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 37442160

約数和(自身を除く): 18219032

約数列:

[1, 2, 4, 8, 37, 74, 101, 148, 202, 296, 404, 643, 808, 1286, 2572, 3737, 5144, 7474, 14948, 23791, 29896, 47582, 64943, 95164, 129886, 190328, 259772, 519544, 2402891, 4805782, 9611564, 19223128]

約数ペア:

[(1, 19223128), (2, 9611564), (4, 4805782), (8, 2402891), (37, 519544), (74, 259772), (101, 190328), (148, 129886), (202, 95164), (296, 64943), (404, 47582), (643, 29896), (808, 23791), (1286, 14948), (2572, 7474), (3737, 5144)]