15983928

素因数分解:

$2^3\times 3^2\times {\mathrm{221999}}^1$

素因数の和:222011

約数の個数: 24

約数和(自身を含む): 43290000

約数和(自身を除く): 27306072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 221999, 443998, 665997, 887996, 1331994, 1775992, 1997991, 2663988, 3995982, 5327976, 7991964, 15983928]

約数ペア:

[(1, 15983928), (2, 7991964), (3, 5327976), (4, 3995982), (6, 2663988), (8, 1997991), (9, 1775992), (12, 1331994), (18, 887996), (24, 665997), (36, 443998), (72, 221999)]