18647504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{383}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 38568960

約数和(自身を除く): 19921456

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 179, 272, 358, 383, 716, 766, 1432, 1532, 2864, 3043, 3064, 6086, 6128, 6511, 12172, 13022, 24344, 26044, 48688, 52088, 68557, 104176, 137114, 274228, 548456, 1096912, 1165469, 2330938, 4661876, 9323752, 18647504]

約数ペア:

[(1, 18647504), (2, 9323752), (4, 4661876), (8, 2330938), (16, 1165469), (17, 1096912), (34, 548456), (68, 274228), (136, 137114), (179, 104176), (272, 68557), (358, 52088), (383, 48688), (716, 26044), (766, 24344), (1432, 13022), (1532, 12172), (2864, 6511), (3043, 6128), (3064, 6086)]