19719544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1493}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 40158720

約数和(自身を除く): 20439176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1493, 1651, 2986, 3302, 5972, 6604, 11944, 13208, 19409, 38818, 77636, 155272, 189611, 379222, 758444, 1516888, 2464943, 4929886, 9859772, 19719544]

約数ペア:

[(1, 19719544), (2, 9859772), (4, 4929886), (8, 2464943), (13, 1516888), (26, 758444), (52, 379222), (104, 189611), (127, 155272), (254, 77636), (508, 38818), (1016, 19409), (1493, 13208), (1651, 11944), (2986, 6604), (3302, 5972)]