18831681

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{853}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 29842176

約数和(自身を除く): 11010495

約数列:

[1, 3, 9, 11, 33, 99, 223, 669, 853, 2007, 2453, 2559, 7359, 7677, 9383, 22077, 28149, 84447, 190219, 570657, 1711971, 2092409, 6277227, 18831681]

約数ペア:

[(1, 18831681), (3, 6277227), (9, 2092409), (11, 1711971), (33, 570657), (99, 190219), (223, 84447), (669, 28149), (853, 22077), (2007, 9383), (2453, 7677), (2559, 7359)]