19938384

素因数分解:

$2^4\times 3^2\times {\mathrm{138461}}^1$

素因数の和:138475

約数の個数: 30

約数和(自身を含む): 55800186

約数和(自身を除く): 35861802

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138461, 276922, 415383, 553844, 830766, 1107688, 1246149, 1661532, 2215376, 2492298, 3323064, 4984596, 6646128, 9969192, 19938384]

約数ペア:

[(1, 19938384), (2, 9969192), (3, 6646128), (4, 4984596), (6, 3323064), (8, 2492298), (9, 2215376), (12, 1661532), (16, 1246149), (18, 1107688), (24, 830766), (36, 553844), (48, 415383), (72, 276922), (144, 138461)]