18974931

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2\times {\mathrm{79}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 27194880

約数和(自身を除く): 8219949

約数列:

[1, 3, 23, 59, 69, 79, 177, 237, 1357, 1817, 3481, 4071, 4661, 5451, 10443, 13983, 80063, 107203, 240189, 274999, 321609, 824997, 6324977, 18974931]

約数ペア:

[(1, 18974931), (3, 6324977), (23, 824997), (59, 321609), (69, 274999), (79, 240189), (177, 107203), (237, 80063), (1357, 13983), (1817, 10443), (3481, 5451), (4071, 4661)]