18960005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1831}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 24182400

約数和(自身を除く): 5222395

約数列:

[1, 5, 19, 95, 109, 545, 1831, 2071, 9155, 10355, 34789, 173945, 199579, 997895, 3792001, 18960005]

約数ペア:

[(1, 18960005), (5, 3792001), (19, 997895), (95, 199579), (109, 173945), (545, 34789), (1831, 10355), (2071, 9155)]