18379984

素因数分解:

$2^4\times 7^1\times {\mathrm{379}}^1\times {\mathrm{433}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 40900160

約数和(自身を除く): 22520176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 379, 433, 758, 866, 1516, 1732, 2653, 3031, 3032, 3464, 5306, 6062, 6064, 6928, 10612, 12124, 21224, 24248, 42448, 48496, 164107, 328214, 656428, 1148749, 1312856, 2297498, 2625712, 4594996, 9189992, 18379984]

約数ペア:

[(1, 18379984), (2, 9189992), (4, 4594996), (7, 2625712), (8, 2297498), (14, 1312856), (16, 1148749), (28, 656428), (56, 328214), (112, 164107), (379, 48496), (433, 42448), (758, 24248), (866, 21224), (1516, 12124), (1732, 10612), (2653, 6928), (3031, 6064), (3032, 6062), (3464, 5306)]