18325405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 28028160

約数和(自身を除く): 9702755

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 1621, 2261, 8105, 11305, 11347, 27557, 30799, 56735, 137785, 153995, 192899, 215593, 523583, 964495, 1077965, 2617915, 3665081, 18325405]

約数ペア:

[(1, 18325405), (5, 3665081), (7, 2617915), (17, 1077965), (19, 964495), (35, 523583), (85, 215593), (95, 192899), (119, 153995), (133, 137785), (323, 56735), (595, 30799), (665, 27557), (1615, 11347), (1621, 11305), (2261, 8105)]