18310803

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 29237760

約数和(自身を除く): 10926957

約数列:

[1, 3, 7, 21, 29, 87, 107, 203, 281, 321, 609, 749, 843, 1967, 2247, 3103, 5901, 8149, 9309, 21721, 24447, 30067, 57043, 65163, 90201, 171129, 210469, 631407, 871943, 2615829, 6103601, 18310803]

約数ペア:

[(1, 18310803), (3, 6103601), (7, 2615829), (21, 871943), (29, 631407), (87, 210469), (107, 171129), (203, 90201), (281, 65163), (321, 57043), (609, 30067), (749, 24447), (843, 21721), (1967, 9309), (2247, 8149), (3103, 5901)]