18109311

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 9538689

約数列:

[1, 3, 11, 29, 33, 87, 127, 149, 319, 381, 447, 957, 1397, 1639, 3683, 4191, 4321, 4917, 11049, 12963, 18923, 40513, 47531, 56769, 121539, 142593, 208153, 548767, 624459, 1646301, 6036437, 18109311]

約数ペア:

[(1, 18109311), (3, 6036437), (11, 1646301), (29, 624459), (33, 548767), (87, 208153), (127, 142593), (149, 121539), (319, 56769), (381, 47531), (447, 40513), (957, 18923), (1397, 12963), (1639, 11049), (3683, 4917), (4191, 4321)]