18142929

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 14804271

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 659, 1197, 1311, 1449, 1977, 3059, 3933, 4613, 5931, 9177, 12521, 13839, 15157, 27531, 37563, 41517, 45471, 87647, 106099, 112689, 136413, 262941, 287983, 318297, 788823, 863949, 954891, 2015881, 2591847, 6047643, 18142929]

約数ペア:

[(1, 18142929), (3, 6047643), (7, 2591847), (9, 2015881), (19, 954891), (21, 863949), (23, 788823), (57, 318297), (63, 287983), (69, 262941), (133, 136413), (161, 112689), (171, 106099), (207, 87647), (399, 45471), (437, 41517), (483, 37563), (659, 27531), (1197, 15157), (1311, 13839), (1449, 12521), (1977, 9177), (3059, 5931), (3933, 4613)]