18863013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 29949696

約数和(自身を除く): 11086683

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 1237, 3711, 5083, 15249, 16081, 21029, 28451, 48243, 63087, 85353, 273377, 369863, 483667, 820131, 1109589, 1451001, 6287671, 18863013]

約数ペア:

[(1, 18863013), (3, 6287671), (13, 1451001), (17, 1109589), (23, 820131), (39, 483667), (51, 369863), (69, 273377), (221, 85353), (299, 63087), (391, 48243), (663, 28451), (897, 21029), (1173, 16081), (1237, 15249), (3711, 5083)]