18716416

素因数分解:

$2^8\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:776

約数の個数: 36

約数和(自身を含む): 37748592

約数和(自身を除く): 19032176

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 647, 904, 1294, 1808, 2588, 3616, 5176, 7232, 10352, 14464, 20704, 28928, 41408, 73111, 82816, 146222, 165632, 292444, 584888, 1169776, 2339552, 4679104, 9358208, 18716416]

約数ペア:

[(1, 18716416), (2, 9358208), (4, 4679104), (8, 2339552), (16, 1169776), (32, 584888), (64, 292444), (113, 165632), (128, 146222), (226, 82816), (256, 73111), (452, 41408), (647, 28928), (904, 20704), (1294, 14464), (1808, 10352), (2588, 7232), (3616, 5176)]