19924304

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17539}}^1$

素因数の和:17618

約数の個数: 20

約数和(自身を含む): 39149280

約数和(自身を除く): 19224976

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17539, 35078, 70156, 140312, 280624, 1245269, 2490538, 4981076, 9962152, 19924304]

約数ペア:

[(1, 19924304), (2, 9962152), (4, 4981076), (8, 2490538), (16, 1245269), (71, 280624), (142, 140312), (284, 70156), (568, 35078), (1136, 17539)]