18894447

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 32786208

約数和(自身を除く): 13891761

約数列:

[1, 3, 9, 11, 13, 33, 39, 53, 99, 117, 143, 159, 277, 429, 477, 583, 689, 831, 1287, 1749, 2067, 2493, 3047, 3601, 5247, 6201, 7579, 9141, 10803, 14681, 22737, 27423, 32409, 39611, 44043, 68211, 118833, 132129, 161491, 190853, 356499, 484473, 572559, 1453419, 1717677, 2099383, 6298149, 18894447]

約数ペア:

[(1, 18894447), (3, 6298149), (9, 2099383), (11, 1717677), (13, 1453419), (33, 572559), (39, 484473), (53, 356499), (99, 190853), (117, 161491), (143, 132129), (159, 118833), (277, 68211), (429, 44043), (477, 39611), (583, 32409), (689, 27423), (831, 22737), (1287, 14681), (1749, 10803), (2067, 9141), (2493, 7579), (3047, 6201), (3601, 5247)]