18704007

素因数分解:

$3^3\times 7^1\times {\mathrm{98963}}^1$

素因数の和:98979

約数の個数: 16

約数和(自身を含む): 31668480

約数和(自身を除く): 12964473

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 98963, 296889, 692741, 890667, 2078223, 2672001, 6234669, 18704007]

約数ペア:

[(1, 18704007), (3, 6234669), (7, 2672001), (9, 2078223), (21, 890667), (27, 692741), (63, 296889), (189, 98963)]