18941481

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1669}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 29786120

約数和(自身を除く): 10844639

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 1669, 3783, 5007, 11349, 15021, 21697, 65091, 161893, 195273, 485679, 1457037, 2104609, 6313827, 18941481]

約数ペア:

[(1, 18941481), (3, 6313827), (9, 2104609), (13, 1457037), (39, 485679), (97, 195273), (117, 161893), (291, 65091), (873, 21697), (1261, 15021), (1669, 11349), (3783, 5007)]