18959568

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{20789}}^1$

素因数の和:20819

約数の個数: 40

約数和(自身を含む): 51559200

約数和(自身を除く): 32599632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 20789, 41578, 62367, 83156, 124734, 166312, 249468, 332624, 394991, 498936, 789982, 997872, 1184973, 1579964, 2369946, 3159928, 4739892, 6319856, 9479784, 18959568]

約数ペア:

[(1, 18959568), (2, 9479784), (3, 6319856), (4, 4739892), (6, 3159928), (8, 2369946), (12, 1579964), (16, 1184973), (19, 997872), (24, 789982), (38, 498936), (48, 394991), (57, 332624), (76, 249468), (114, 166312), (152, 124734), (228, 83156), (304, 62367), (456, 41578), (912, 20789)]