19118421

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17851}}^1$

素因数の和:17881

約数の個数: 24

約数和(自身を含む): 33418944

約数和(自身を除く): 14300523

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 17851, 53553, 124957, 160659, 303467, 374871, 910401, 1124613, 2124269, 2731203, 6372807, 19118421]

約数ペア:

[(1, 19118421), (3, 6372807), (7, 2731203), (9, 2124269), (17, 1124613), (21, 910401), (51, 374871), (63, 303467), (119, 160659), (153, 124957), (357, 53553), (1071, 17851)]