18243687

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78977}}^1$

素因数の和:78998

約数の個数: 16

約数和(自身を含む): 30327552

約数和(自身を除く): 12083865

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 78977, 236931, 552839, 868747, 1658517, 2606241, 6081229, 18243687]

約数ペア:

[(1, 18243687), (3, 6081229), (7, 2606241), (11, 1658517), (21, 868747), (33, 552839), (77, 236931), (231, 78977)]