18529520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3457}}^1$

素因数の和:3537

約数の個数: 40

約数和(自身を含む): 43736784

約数和(自身を除く): 25207264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3457, 5360, 6914, 13828, 17285, 27656, 34570, 55312, 69140, 138280, 231619, 276560, 463238, 926476, 1158095, 1852952, 2316190, 3705904, 4632380, 9264760, 18529520]

約数ペア:

[(1, 18529520), (2, 9264760), (4, 4632380), (5, 3705904), (8, 2316190), (10, 1852952), (16, 1158095), (20, 926476), (40, 463238), (67, 276560), (80, 231619), (134, 138280), (268, 69140), (335, 55312), (536, 34570), (670, 27656), (1072, 17285), (1340, 13828), (2680, 6914), (3457, 5360)]