18918912

素因数分解:

$2^9\times 3^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 80

約数和(自身を含む): 51313680

約数和(自身を除く): 32394768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 109, 113, 128, 192, 218, 226, 256, 327, 339, 384, 436, 452, 512, 654, 678, 768, 872, 904, 1308, 1356, 1536, 1744, 1808, 2616, 2712, 3488, 3616, 5232, 5424, 6976, 7232, 10464, 10848, 12317, 13952, 14464, 20928, 21696, 24634, 27904, 28928, 36951, 41856, 43392, 49268, 55808, 57856, 73902, 83712, 86784, 98536, 147804, 167424, 173568, 197072, 295608, 394144, 591216, 788288, 1182432, 1576576, 2364864, 3153152, 4729728, 6306304, 9459456, 18918912]

約数ペア:

[(1, 18918912), (2, 9459456), (3, 6306304), (4, 4729728), (6, 3153152), (8, 2364864), (12, 1576576), (16, 1182432), (24, 788288), (32, 591216), (48, 394144), (64, 295608), (96, 197072), (109, 173568), (113, 167424), (128, 147804), (192, 98536), (218, 86784), (226, 83712), (256, 73902), (327, 57856), (339, 55808), (384, 49268), (436, 43392), (452, 41856), (512, 36951), (654, 28928), (678, 27904), (768, 24634), (872, 21696), (904, 20928), (1308, 14464), (1356, 13952), (1536, 12317), (1744, 10848), (1808, 10464), (2616, 7232), (2712, 6976), (3488, 5424), (3616, 5232)]