19810432

素因数分解:

$2^7\times {\mathrm{154769}}^1$

素因数の和:154783

約数の個数: 16

約数和(自身を含む): 39466350

約数和(自身を除く): 19655918

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 154769, 309538, 619076, 1238152, 2476304, 4952608, 9905216, 19810432]

約数ペア:

[(1, 19810432), (2, 9905216), (4, 4952608), (8, 2476304), (16, 1238152), (32, 619076), (64, 309538), (128, 154769)]