18924128

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 40415760

約数和(自身を除く): 21491632

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 68, 86, 136, 172, 272, 344, 544, 688, 731, 809, 1376, 1462, 1618, 2924, 3236, 5848, 6472, 11696, 12944, 13753, 23392, 25888, 27506, 34787, 55012, 69574, 110024, 139148, 220048, 278296, 440096, 556592, 591379, 1113184, 1182758, 2365516, 4731032, 9462064, 18924128]

約数ペア:

[(1, 18924128), (2, 9462064), (4, 4731032), (8, 2365516), (16, 1182758), (17, 1113184), (32, 591379), (34, 556592), (43, 440096), (68, 278296), (86, 220048), (136, 139148), (172, 110024), (272, 69574), (344, 55012), (544, 34787), (688, 27506), (731, 25888), (809, 23392), (1376, 13753), (1462, 12944), (1618, 11696), (2924, 6472), (3236, 5848)]