19908144

素因数分解:

$2^4\times 3^2\times {\mathrm{138251}}^1$

素因数の和:138265

約数の個数: 30

約数和(自身を含む): 55715556

約数和(自身を除く): 35807412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138251, 276502, 414753, 553004, 829506, 1106008, 1244259, 1659012, 2212016, 2488518, 3318024, 4977036, 6636048, 9954072, 19908144]

約数ペア:

[(1, 19908144), (2, 9954072), (3, 6636048), (4, 4977036), (6, 3318024), (8, 2488518), (9, 2212016), (12, 1659012), (16, 1244259), (18, 1106008), (24, 829506), (36, 553004), (48, 414753), (72, 276502), (144, 138251)]