19453388

素因数分解:

$2^2\times {\mathrm{61}}^2\times {\mathrm{1307}}^1$

素因数の和:1433

約数の個数: 18

約数和(自身を含む): 34637148

約数和(自身を除く): 15183760

約数列:

[1, 2, 4, 61, 122, 244, 1307, 2614, 3721, 5228, 7442, 14884, 79727, 159454, 318908, 4863347, 9726694, 19453388]

約数ペア:

[(1, 19453388), (2, 9726694), (4, 4863347), (61, 318908), (122, 159454), (244, 79727), (1307, 14884), (2614, 7442), (3721, 5228)]