19972112

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12119}}^1$

素因数の和:12230

約数の個数: 20

約数和(自身を含む): 39074880

約数和(自身を除く): 19102768

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12119, 24238, 48476, 96952, 193904, 1248257, 2496514, 4993028, 9986056, 19972112]

約数ペア:

[(1, 19972112), (2, 9986056), (4, 4993028), (8, 2496514), (16, 1248257), (103, 193904), (206, 96952), (412, 48476), (824, 24238), (1648, 12119)]