18715790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81373}}^1$

素因数の和:81403

約数の個数: 16

約数和(自身を含む): 35153568

約数和(自身を除く): 16437778

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 81373, 162746, 406865, 813730, 1871579, 3743158, 9357895, 18715790]

約数ペア:

[(1, 18715790), (2, 9357895), (5, 3743158), (10, 1871579), (23, 813730), (46, 406865), (115, 162746), (230, 81373)]