19851273

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{443}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 31030272

約数和(自身を除く): 11178999

約数列:

[1, 3, 9, 13, 39, 117, 383, 443, 1149, 1329, 3447, 3987, 4979, 5759, 14937, 17277, 44811, 51831, 169669, 509007, 1527021, 2205697, 6617091, 19851273]

約数ペア:

[(1, 19851273), (3, 6617091), (9, 2205697), (13, 1527021), (39, 509007), (117, 169669), (383, 51831), (443, 44811), (1149, 17277), (1329, 14937), (3447, 5759), (3987, 4979)]