19896544

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{647}}^1$

素因数の和:719

約数の個数: 36

約数和(自身を含む): 40538232

約数和(自身を除く): 20641688

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 647, 961, 992, 1294, 1922, 2588, 3844, 5176, 7688, 10352, 15376, 20057, 20704, 30752, 40114, 80228, 160456, 320912, 621767, 641824, 1243534, 2487068, 4974136, 9948272, 19896544]

約数ペア:

[(1, 19896544), (2, 9948272), (4, 4974136), (8, 2487068), (16, 1243534), (31, 641824), (32, 621767), (62, 320912), (124, 160456), (248, 80228), (496, 40114), (647, 30752), (961, 20704), (992, 20057), (1294, 15376), (1922, 10352), (2588, 7688), (3844, 5176)]