18542864

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{13963}}^1$

素因数の和:14054

約数の個数: 20

約数和(自身を含む): 36362256

約数和(自身を除く): 17819392

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 13963, 27926, 55852, 111704, 223408, 1158929, 2317858, 4635716, 9271432, 18542864]

約数ペア:

[(1, 18542864), (2, 9271432), (4, 4635716), (8, 2317858), (16, 1158929), (83, 223408), (166, 111704), (332, 55852), (664, 27926), (1328, 13963)]