18992624

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2531}}^1$

素因数の和:2613

約数の個数: 40

約数和(自身を含む): 42699648

約数和(自身を除く): 23707024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2531, 3752, 5062, 7504, 10124, 17717, 20248, 35434, 40496, 70868, 141736, 169577, 283472, 339154, 678308, 1187039, 1356616, 2374078, 2713232, 4748156, 9496312, 18992624]

約数ペア:

[(1, 18992624), (2, 9496312), (4, 4748156), (7, 2713232), (8, 2374078), (14, 1356616), (16, 1187039), (28, 678308), (56, 339154), (67, 283472), (112, 169577), (134, 141736), (268, 70868), (469, 40496), (536, 35434), (938, 20248), (1072, 17717), (1876, 10124), (2531, 7504), (3752, 5062)]