18468645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 32441472

約数和(自身を除く): 13972827

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 1787, 2067, 3445, 5361, 8935, 10335, 23231, 26805, 69693, 94711, 116155, 284133, 348465, 473555, 1231243, 1420665, 3693729, 6156215, 18468645]

約数ペア:

[(1, 18468645), (3, 6156215), (5, 3693729), (13, 1420665), (15, 1231243), (39, 473555), (53, 348465), (65, 284133), (159, 116155), (195, 94711), (265, 69693), (689, 26805), (795, 23231), (1787, 10335), (2067, 8935), (3445, 5361)]