19927621

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1109}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 24295680

約数和(自身を除く): 4368059

約数列:

[1, 7, 17, 119, 151, 1057, 1109, 2567, 7763, 17969, 18853, 131971, 167459, 1172213, 2846803, 19927621]

約数ペア:

[(1, 19927621), (7, 2846803), (17, 1172213), (119, 167459), (151, 131971), (1057, 18853), (1109, 17969), (2567, 7763)]