19387394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6841}}^1$

素因数の和:6965

約数の個数: 16

約数和(自身を含む): 31610040

約数和(自身を除く): 12222646

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 6841, 13682, 88933, 177866, 745669, 1491338, 9693697, 19387394]

約数ペア:

[(1, 19387394), (2, 9693697), (13, 1491338), (26, 745669), (109, 177866), (218, 88933), (1417, 13682), (2834, 6841)]