19491456

素因数分解:

$2^7\times 3^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 52240320

約数和(自身を除く): 32748864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 193, 263, 384, 386, 526, 579, 772, 789, 1052, 1158, 1544, 1578, 2104, 2316, 3088, 3156, 4208, 4632, 6176, 6312, 8416, 9264, 12352, 12624, 16832, 18528, 24704, 25248, 33664, 37056, 50496, 50759, 74112, 100992, 101518, 152277, 203036, 304554, 406072, 609108, 812144, 1218216, 1624288, 2436432, 3248576, 4872864, 6497152, 9745728, 19491456]

約数ペア:

[(1, 19491456), (2, 9745728), (3, 6497152), (4, 4872864), (6, 3248576), (8, 2436432), (12, 1624288), (16, 1218216), (24, 812144), (32, 609108), (48, 406072), (64, 304554), (96, 203036), (128, 152277), (192, 101518), (193, 100992), (263, 74112), (384, 50759), (386, 50496), (526, 37056), (579, 33664), (772, 25248), (789, 24704), (1052, 18528), (1158, 16832), (1544, 12624), (1578, 12352), (2104, 9264), (2316, 8416), (3088, 6312), (3156, 6176), (4208, 4632)]