19211988

素因数分解:

$2^2\times 3^1\times {\mathrm{419}}^1\times {\mathrm{3821}}^1$

素因数の和:4247

約数の個数: 24

約数和(自身を含む): 44946720

約数和(自身を除く): 25734732

約数列:

[1, 2, 3, 4, 6, 12, 419, 838, 1257, 1676, 2514, 3821, 5028, 7642, 11463, 15284, 22926, 45852, 1600999, 3201998, 4802997, 6403996, 9605994, 19211988]

約数ペア:

[(1, 19211988), (2, 9605994), (3, 6403996), (4, 4802997), (6, 3201998), (12, 1600999), (419, 45852), (838, 22926), (1257, 15284), (1676, 11463), (2514, 7642), (3821, 5028)]