18774495

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{991}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 32652672

約数和(自身を除く): 13878177

約数列:

[1, 3, 5, 9, 15, 45, 421, 991, 1263, 2105, 2973, 3789, 4955, 6315, 8919, 14865, 18945, 44595, 417211, 1251633, 2086055, 3754899, 6258165, 18774495]

約数ペア:

[(1, 18774495), (3, 6258165), (5, 3754899), (9, 2086055), (15, 1251633), (45, 417211), (421, 44595), (991, 18945), (1263, 14865), (2105, 8919), (2973, 6315), (3789, 4955)]