18738819

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{991}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 29712384

約数和(自身を除く): 10973565

約数列:

[1, 3, 9, 11, 33, 99, 191, 573, 991, 1719, 2101, 2973, 6303, 8919, 10901, 18909, 32703, 98109, 189281, 567843, 1703529, 2082091, 6246273, 18738819]

約数ペア:

[(1, 18738819), (3, 6246273), (9, 2082091), (11, 1703529), (33, 567843), (99, 189281), (191, 98109), (573, 32703), (991, 18909), (1719, 10901), (2101, 8919), (2973, 6303)]