19389748

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23879}}^1$

素因数の和:23919

約数の個数: 24

約数和(自身を含む): 40118400

約数和(自身を除く): 20728652

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 23879, 47758, 95516, 167153, 334306, 668612, 692491, 1384982, 2769964, 4847437, 9694874, 19389748]

約数ペア:

[(1, 19389748), (2, 9694874), (4, 4847437), (7, 2769964), (14, 1384982), (28, 692491), (29, 668612), (58, 334306), (116, 167153), (203, 95516), (406, 47758), (812, 23879)]