19487655

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1193}}^1$

素因数の和:1229

約数の個数: 48

約数和(自身を含む): 38112480

約数和(自身を除く): 18624825

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 121, 135, 165, 297, 363, 495, 605, 1089, 1193, 1485, 1815, 3267, 3579, 5445, 5965, 10737, 13123, 16335, 17895, 32211, 39369, 53685, 65615, 118107, 144353, 161055, 196845, 354321, 433059, 590535, 721765, 1299177, 1771605, 2165295, 3897531, 6495885, 19487655]

約数ペア:

[(1, 19487655), (3, 6495885), (5, 3897531), (9, 2165295), (11, 1771605), (15, 1299177), (27, 721765), (33, 590535), (45, 433059), (55, 354321), (99, 196845), (121, 161055), (135, 144353), (165, 118107), (297, 65615), (363, 53685), (495, 39369), (605, 32211), (1089, 17895), (1193, 16335), (1485, 13123), (1815, 10737), (3267, 5965), (3579, 5445)]