19389617488

素因数分解:

$2^4\times {\mathrm{1693}}^1\times {\mathrm{715801}}^1$

素因数の和:717502

約数の個数: 20

約数和(自身を含む): 37589626228

約数和(自身を除く): 18200008740

約数列:

[1, 2, 4, 8, 16, 1693, 3386, 6772, 13544, 27088, 715801, 1431602, 2863204, 5726408, 11452816, 1211851093, 2423702186, 4847404372, 9694808744, 19389617488]

約数ペア:

[(1, 19389617488), (2, 9694808744), (4, 4847404372), (8, 2423702186), (16, 1211851093), (1693, 11452816), (3386, 5726408), (6772, 2863204), (13544, 1431602), (27088, 715801)]