19830377

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 23215872

約数和(自身を除く): 3385495

約数列:

[1, 7, 73, 151, 257, 511, 1057, 1799, 11023, 18761, 38807, 77161, 131327, 271649, 2832911, 19830377]

約数ペア:

[(1, 19830377), (7, 2832911), (73, 271649), (151, 131327), (257, 77161), (511, 38807), (1057, 18761), (1799, 11023)]