19908371

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{827}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 24111360

約数和(自身を除く): 4202989

約数列:

[1, 7, 19, 133, 181, 827, 1267, 3439, 5789, 15713, 24073, 109991, 149687, 1047809, 2844053, 19908371]

約数ペア:

[(1, 19908371), (7, 2844053), (19, 1047809), (133, 149687), (181, 109991), (827, 24073), (1267, 15713), (3439, 5789)]