18498537

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 29272320

約数和(自身を除く): 10773783

約数列:

[1, 3, 9, 27, 31, 53, 81, 93, 139, 159, 279, 417, 477, 837, 1251, 1431, 1643, 2511, 3753, 4293, 4309, 4929, 7367, 11259, 12927, 14787, 22101, 38781, 44361, 66303, 116343, 133083, 198909, 228377, 349029, 596727, 685131, 2055393, 6166179, 18498537]

約数ペア:

[(1, 18498537), (3, 6166179), (9, 2055393), (27, 685131), (31, 596727), (53, 349029), (81, 228377), (93, 198909), (139, 133083), (159, 116343), (279, 66303), (417, 44361), (477, 38781), (837, 22101), (1251, 14787), (1431, 12927), (1643, 11259), (2511, 7367), (3753, 4929), (4293, 4309)]