19880824

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 18423176

約数列:

[1, 2, 4, 8, 79, 83, 158, 166, 316, 332, 379, 632, 664, 758, 1516, 3032, 6557, 13114, 26228, 29941, 31457, 52456, 59882, 62914, 119764, 125828, 239528, 251656, 2485103, 4970206, 9940412, 19880824]

約数ペア:

[(1, 19880824), (2, 9940412), (4, 4970206), (8, 2485103), (79, 251656), (83, 239528), (158, 125828), (166, 119764), (316, 62914), (332, 59882), (379, 52456), (632, 31457), (664, 29941), (758, 26228), (1516, 13114), (3032, 6557)]