18163929

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 28838656

約数和(自身を除く): 10674727

約数列:

[1, 3, 7, 21, 37, 97, 111, 241, 259, 291, 679, 723, 777, 1687, 2037, 3589, 5061, 8917, 10767, 23377, 25123, 26751, 62419, 70131, 75369, 163639, 187257, 490917, 864949, 2594847, 6054643, 18163929]

約数ペア:

[(1, 18163929), (3, 6054643), (7, 2594847), (21, 864949), (37, 490917), (97, 187257), (111, 163639), (241, 75369), (259, 70131), (291, 62419), (679, 26751), (723, 25123), (777, 23377), (1687, 10767), (2037, 8917), (3589, 5061)]