18157910

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 15372202

約数列:

[1, 2, 5, 10, 83, 131, 166, 167, 262, 334, 415, 655, 830, 835, 1310, 1670, 10873, 13861, 21746, 21877, 27722, 43754, 54365, 69305, 108730, 109385, 138610, 218770, 1815791, 3631582, 9078955, 18157910]

約数ペア:

[(1, 18157910), (2, 9078955), (5, 3631582), (10, 1815791), (83, 218770), (131, 138610), (166, 109385), (167, 108730), (262, 69305), (334, 54365), (415, 43754), (655, 27722), (830, 21877), (835, 21746), (1310, 13861), (1670, 10873)]