18728253

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{2083}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 28825888

約数和(自身を除く): 10097635

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2083, 2997, 6249, 8991, 18747, 56241, 77071, 168723, 231213, 506169, 693639, 2080917, 6242751, 18728253]

約数ペア:

[(1, 18728253), (3, 6242751), (9, 2080917), (27, 693639), (37, 506169), (81, 231213), (111, 168723), (243, 77071), (333, 56241), (999, 18747), (2083, 8991), (2997, 6249)]