19990112

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7019}}^1$

素因数の和:7118

約数の個数: 24

約数和(自身を含む): 39803400

約数和(自身を除く): 19813288

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7019, 14038, 28076, 56152, 112304, 224608, 624691, 1249382, 2498764, 4997528, 9995056, 19990112]

約数ペア:

[(1, 19990112), (2, 9995056), (4, 4997528), (8, 2498764), (16, 1249382), (32, 624691), (89, 224608), (178, 112304), (356, 56152), (712, 28076), (1424, 14038), (2848, 7019)]