18695024

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 38382960

約数和(自身を除く): 19687936

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 937, 1247, 1874, 2494, 3748, 4988, 7496, 9976, 14992, 19952, 27173, 40291, 54346, 80582, 108692, 161164, 217384, 322328, 434768, 644656, 1168439, 2336878, 4673756, 9347512, 18695024]

約数ペア:

[(1, 18695024), (2, 9347512), (4, 4673756), (8, 2336878), (16, 1168439), (29, 644656), (43, 434768), (58, 322328), (86, 217384), (116, 161164), (172, 108692), (232, 80582), (344, 54346), (464, 40291), (688, 27173), (937, 19952), (1247, 14992), (1874, 9976), (2494, 7496), (3748, 4988)]