18734121

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1847}}^1$

素因数の和:1890

約数の個数: 36

約数和(自身を含む): 32864832

約数和(自身を除く): 14130711

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 1847, 3381, 5541, 10143, 12929, 16623, 38787, 42481, 90503, 116361, 127443, 271509, 297367, 382329, 814527, 892101, 2081569, 2676303, 6244707, 18734121]

約数ペア:

[(1, 18734121), (3, 6244707), (7, 2676303), (9, 2081569), (21, 892101), (23, 814527), (49, 382329), (63, 297367), (69, 271509), (147, 127443), (161, 116361), (207, 90503), (441, 42481), (483, 38787), (1127, 16623), (1449, 12929), (1847, 10143), (3381, 5541)]