18993856

素因数分解:

$2^6\times 7^1\times {\mathrm{42397}}^1$

素因数の和:42416

約数の個数: 28

約数和(自身を含む): 43076368

約数和(自身を除く): 24082512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 42397, 84794, 169588, 296779, 339176, 593558, 678352, 1187116, 1356704, 2374232, 2713408, 4748464, 9496928, 18993856]

約数ペア:

[(1, 18993856), (2, 9496928), (4, 4748464), (7, 2713408), (8, 2374232), (14, 1356704), (16, 1187116), (28, 678352), (32, 593558), (56, 339176), (64, 296779), (112, 169588), (224, 84794), (448, 42397)]