18552608

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 38031840

約数和(自身を除く): 19479232

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 97, 139, 172, 194, 278, 344, 388, 556, 688, 776, 1112, 1376, 1552, 2224, 3104, 4171, 4448, 5977, 8342, 11954, 13483, 16684, 23908, 26966, 33368, 47816, 53932, 66736, 95632, 107864, 133472, 191264, 215728, 431456, 579769, 1159538, 2319076, 4638152, 9276304, 18552608]

約数ペア:

[(1, 18552608), (2, 9276304), (4, 4638152), (8, 2319076), (16, 1159538), (32, 579769), (43, 431456), (86, 215728), (97, 191264), (139, 133472), (172, 107864), (194, 95632), (278, 66736), (344, 53932), (388, 47816), (556, 33368), (688, 26966), (776, 23908), (1112, 16684), (1376, 13483), (1552, 11954), (2224, 8342), (3104, 5977), (4171, 4448)]