18173080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6781}}^1$

素因数の和:6859

約数の個数: 32

約数和(自身を含む): 41505840

約数和(自身を除く): 23332760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 6781, 13562, 27124, 33905, 54248, 67810, 135620, 271240, 454327, 908654, 1817308, 2271635, 3634616, 4543270, 9086540, 18173080]

約数ペア:

[(1, 18173080), (2, 9086540), (4, 4543270), (5, 3634616), (8, 2271635), (10, 1817308), (20, 908654), (40, 454327), (67, 271240), (134, 135620), (268, 67810), (335, 54248), (536, 33905), (670, 27124), (1340, 13562), (2680, 6781)]