18998046

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 43449120

約数和(自身を除く): 24451074

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 109, 138, 207, 218, 327, 414, 421, 654, 842, 981, 1263, 1962, 2507, 2526, 3789, 5014, 7521, 7578, 9683, 15042, 19366, 22563, 29049, 45126, 45889, 58098, 87147, 91778, 137667, 174294, 275334, 413001, 826002, 1055447, 2110894, 3166341, 6332682, 9499023, 18998046]

約数ペア:

[(1, 18998046), (2, 9499023), (3, 6332682), (6, 3166341), (9, 2110894), (18, 1055447), (23, 826002), (46, 413001), (69, 275334), (109, 174294), (138, 137667), (207, 91778), (218, 87147), (327, 58098), (414, 45889), (421, 45126), (654, 29049), (842, 22563), (981, 19366), (1263, 15042), (1962, 9683), (2507, 7578), (2526, 7521), (3789, 5014)]