19189456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8387}}^1$

素因数の和:8419

約数の個数: 40

約数和(自身を含む): 43684704

約数和(自身を除く): 24495248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8387, 16774, 33548, 67096, 92257, 109031, 134192, 184514, 218062, 369028, 436124, 738056, 872248, 1199341, 1476112, 1744496, 2398682, 4797364, 9594728, 19189456]

約数ペア:

[(1, 19189456), (2, 9594728), (4, 4797364), (8, 2398682), (11, 1744496), (13, 1476112), (16, 1199341), (22, 872248), (26, 738056), (44, 436124), (52, 369028), (88, 218062), (104, 184514), (143, 134192), (176, 109031), (208, 92257), (286, 67096), (572, 33548), (1144, 16774), (2288, 8387)]