18983237

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1753}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 25194456

約数和(自身を除く): 6211219

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 1753, 10829, 12271, 22789, 29801, 85897, 159523, 208607, 387413, 1116661, 1460249, 2711891, 18983237]

約数ペア:

[(1, 18983237), (7, 2711891), (13, 1460249), (17, 1116661), (49, 387413), (91, 208607), (119, 159523), (221, 85897), (637, 29801), (833, 22789), (1547, 12271), (1753, 10829)]