18387456

素因数分解:

$2^9\times 3^1\times {\mathrm{11971}}^1$

素因数の和:11992

約数の個数: 40

約数和(自身を含む): 48989424

約数和(自身を除く): 30601968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 11971, 23942, 35913, 47884, 71826, 95768, 143652, 191536, 287304, 383072, 574608, 766144, 1149216, 1532288, 2298432, 3064576, 4596864, 6129152, 9193728, 18387456]

約数ペア:

[(1, 18387456), (2, 9193728), (3, 6129152), (4, 4596864), (6, 3064576), (8, 2298432), (12, 1532288), (16, 1149216), (24, 766144), (32, 574608), (48, 383072), (64, 287304), (96, 191536), (128, 143652), (192, 95768), (256, 71826), (384, 47884), (512, 35913), (768, 23942), (1536, 11971)]