18837091

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{653}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 23292864

約数和(自身を除く): 4455773

約数列:

[1, 7, 13, 91, 317, 653, 2219, 4121, 4571, 8489, 28847, 59423, 207001, 1449007, 2691013, 18837091]

約数ペア:

[(1, 18837091), (7, 2691013), (13, 1449007), (91, 207001), (317, 59423), (653, 28847), (2219, 8489), (4121, 4571)]