18680004

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{24709}}^1$

素因数の和:24729

約数の個数: 48

約数和(自身を含む): 55350400

約数和(自身を除く): 36670396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 24709, 49418, 74127, 98836, 148254, 172963, 222381, 296508, 345926, 444762, 518889, 667143, 691852, 889524, 1037778, 1334286, 1556667, 2075556, 2668572, 3113334, 4670001, 6226668, 9340002, 18680004]

約数ペア:

[(1, 18680004), (2, 9340002), (3, 6226668), (4, 4670001), (6, 3113334), (7, 2668572), (9, 2075556), (12, 1556667), (14, 1334286), (18, 1037778), (21, 889524), (27, 691852), (28, 667143), (36, 518889), (42, 444762), (54, 345926), (63, 296508), (84, 222381), (108, 172963), (126, 148254), (189, 98836), (252, 74127), (378, 49418), (756, 24709)]